A

• Aarskog-Scott syndrome – Dagfinn Aarskog, Charles Scott
• Aase-Smith – Jon Morton Aase, David Weyhe Smith
• Abdallat Davis Farrage syndrome – Adnan Al Abdallat, S.M. Davis, James Robert Farrage
• Abderhalden-Kaufmann-Lignac syndrome – Emil Abderhalden, Eduard Kauffman, George Lignac
• Abercrombie disease – John Abercrombie
• Achard-Thiers syndrome – Emile Achard, Joseph Thiers
• Ackerman tumor – Lauren Ackerman
• Addison disease – Thomas Addison
• Adson-Caffey syndrome – Alfred Adson, I.R. Caffey
• Aicardi syndrome – Jean Aicardi
• Alagille syndrome – Daniel Alagille
• Albers-Schönberg disease – Heinrich Albers-Schönberg
• Albright syndrome – Fuller Albright
• Albright-Butler-Bloomberg disease – Fuller Albright, Allan Macy Butler, Esther Bloomberg
• Albright-Hadorn syndrome – Fuller Albright, Walter Hadorn
• Alexander disease – William Stuart Alexander
• Alice in Wonderland syndrome – Lewis Carroll's book Alice's Adventures in Wonderland
• Alpers disease – Bernard Jacob Alpers
• Alport syndrome – Arthur Cecil Alport
• Alström syndrome – Carl Henry Alström
• Alzheimer disease – Alois Alzheimer
• Anders disease – James Meschter Anders
• Andersen disease – Dorothy Andersen
• Anderson-Fabry disease – William Anderson, Johannes Fabry
• Angelman syndrome – Harry Angelman
• Angelucci syndrome – Arnaldo Angelucci
• Anton-Babinski syndrome – Gabriel Anton, Joseph Babinski
• Apert syndrome – Eugène Apert
• Aran-Duchenne spinal muscular atrophy – François-Amilcar Aran , Guillaume Duchenne
• Armanni-Ebstein nephropathy – Luciano Armanni, Wilhelm Ebstein
• Arnold-Chiari malformation – Julius Arnold, Hans Chiari
• Arthus phenomenon
• Asherman syndrome – Joseph G. Asherman
• Asperger syndrome – Hans Asperger
• Avellis syndrome – Georg Avellis
• Ayerza syndrome – Abel Ayerza
• Ayerza-Arrillaga syndrome – Abel Ayerza, Francisco Arrillaga

B

• Babington disease – Benjamin Babington
• Babinski sign – Joseph Babinski
• Babinski-Fröhlich syndrome – Joseph Babinski, Alfred Fröhlich
• Babinski-Froment syndrome – Joseph Babinski, Jules Froment
• Babinski-Nageotte syndrome – Joseph Babinski, Jean Nageotte
• Bahima disease
• Baker cyst – William Morrant Baker
• Baló's disease or Balo concentric sclerosis – Jószef Baló
• Bamberger disease – Heinrich von Bamberger
• Bamberger-Marie disease – Eugen von Bamberger, Pierre Marie
• Bancroft filariasis – Joseph Bancroft
• Bang's disease – Bernhard Bang
• Banti disease – Guido Banti
• Bárány syndrome – Robert Bárány
• Barlow disease – Thomas Barlow
• Barlow syndrome – John Barlow
• Barraquer-Simons syndrome – Luis Barraquer Roviralta, Arthur Simons
• Barré-Liéou syndrome – Jean Alexandre Barré, Yang-Choen Liéou
• Barrett's ulcer – Norman Barrett
• Bart-Pumphrey syndrome – R.S. Bart, R.E. Pumphrey
• Bartholin cyst – Caspar Bartholin
• Bartter syndrome – Frederic Bartter
• Basedow disease – Karl Adolph von Basedow
• Basedow syndrome – Karl Adolph von Basedow
• Bassen-Kornzweig syndrome – Frank Bassen, Abraham Kornzweig
• Batten disease – Frederick Batten
• Bazin disease – Pierre-Antoine-Ernest Bazin
• Becker muscular dystrophy – Peter Emil Becker
• Beckwith-Wiedemann syndrome – John Bruce Beckwith, Hans-Rudolf Wiedemann
• Behçet disease – Hulusi Behçet
• Bekhterev disease – Vladimir Bekhterev
• Bell palsy – Charles Bell
• Benedikt syndrome – Moritz Benedikt
• Benjamin syndrome – E. Benjamin
• Berger's disease – Jean Berger
• Bergeron disease – Etienne-Jules Bergeron
• Bernard syndrome – Claude Bernard
• Bernard-Soulier syndrome – Jean Bernard, Jean Pierre Soulier
• Bernhardt-Roth paraesthesia – Martin Bernhardt, Vladimir Karlovich Roth
• Bernheim syndrome – Hippolyte Bernheim
• Besnier prurigo – Ernest Henri Besnier
• Besnier-Boeck-Schaumann disease – Ernest Henri Besnier, Cæsar Peter Møller Boeck, Jörgen Nilsen Schaumann
• Biermer anaemia – Michael Anton Biermer
• Bickerstaff's brainstem encephalitis – Edwin Bickerstaff
• Bilharzia – Theodor Maximilian Bilharz
• Bing-Neel syndrome – Jens Bing, Axel Valdemar Neel
• Binswanger dementia – Otto Binswanger
• Bland-White-Garland syndrome – Edward Franklin Bland, Paul Dudley White, Joseph Garland
• Bloom syndrome – David Bloom
• Blount syndrome – Walter Putnam Blount
• Boerhaave syndrome – Herman Boerhaave
• Bogorad syndrome – F.A. Bogorad
• Bonnevie-Ullrich syndrome – Kristine Bonnevie, Otto Ullrich
• Bourneville-Pringle disease – Désiré-Magloire Bourneville, John James Pringle
• Bowen disease – John T. Bowen
• Brailsford-Morquio syndrome – James Frederick Brailsford, Luís Morquio
• Brandt syndrome – Thore Edvard Brandt
• Brenner tumour – Fritz Brenner
• Brewer kidney – George Emerson Brewer
• Bright disease – Richard Bright
• Brill-Symmers disease – Nathan Brill, Douglas Symmers
• Brill-Zinsser disease – Nathan Brill, Hans Zinsser
• Briquet syndrome – Paul Briquet
• Brissaud disease – Édouard Brissaud
• Brissaud-Sicard syndrome – Édouard Brissaud, Jean-Athanase Sicard
• Broadbent apoplexy – William Broadbent
• Brock syndrome – Russell Claude Brock
• Brodie abscess – Benjamin Collins Brodie
• Brodie syndrome – Benjamin Collins Brodie
• Brooke epithelioma – Henry Ambrose Grundy Brooke
• Brown-Séquard syndrome – Charles-Édouard Brown-Séquard
• Brucellosis – David Bruce
• Brugada syndrome
• Bruns syndrome – Ludwig Bruns
• Bruton-Gitlin syndrome – Ogden Carr Bruton, David Gitlin
• Budd-Chiari syndrome – George Budd, Hans Chiari
• Buerger disease – Leo Buerger
• Bumpke syndrome – Oswald Conrad Edouard Bumke
• Burger-Grutz syndrome – Max Burger, Otto Grutz
• Burkitt lymphoma – Denis Parsons Burkitt
• Burnett syndrome – Charles Hoyt Burnett
• Byler disease
• Bywaters syndrome – Eric Bywaters

 C

• Caffey-Silverman syndrome – John Patrick Caffey, William Aaron Silverman
• Calvé disease – Jacques Calvé
• Canavan disease – Myrtelle Canavan
• Cannon syndrome – Walter Cannon
• Capgras syndrome – Joseph Capgras
• Caplan's syndrome – Anthony Caplan
• Caroli syndrome – J. Caroli
• Carrión's disease – Daniel Alcides Carrión
• Castleman disease – Benjamin Castleman
• Céstan-Chenais syndrome – Étienne Jacques Marie Raymond Céstan,Louis Jean Chennais
• Chagas disease – Carlos Chagas
• Charcot's disease – Jean-Martin Charcot
• Charcot-Marie-Tooth disease – Jean-Martin Charcot, Pierre Marie, Howard Henry Tooth
• Cheadle's disease – Walter Butler Cheadle
• Chédiak-Higashi syndrome – Alexander Chédiak,Otokata Higashi
• Chiari-Frommel syndrome – Johann Baptist Chiari,Richard Frommel
• Chilaiditi syndrome – Demetrius Chilaiditi
• Christ-Siemens-Touraine syndrome – Josef Christ, Hermann Werner Siemens, Albert Touraine
• Christensen-Krabbe disease – Erna Christensen, Knud Krabbe
• Christmas disease – Stephen Christmas
• Churg-Strauss syndrome – Jacob Churg, Lotte Straus
• Claude syndrome – Henri Claude
• Clerambault syndrome – Gaëtan Gatian de Clerambault
• Clerambault-Kandinsky syndrome – Gaëtan Gatian de Clerambault, Victor Khrisanfovich Kandinsky
• Coats disease – George Coats
• Cock peculiar tumor – Edward Cock
• Cockayne syndrome – Edward Alfred Cockayne
• Cogan's syndrome – David Glendenning Cogan
• Colles' fracture – Abraham Colles
• Collet-Sicard syndrome – Frédéric Justin Collet, Jean-Athanase Sicard
• Concato disease – Luigi Maria Concato
• Conn's Syndrome – Jerome Conn
• Cooley's anemia – Thomas Benton Cooley
• Cori Disease – Carl Ferdinand Cori
• Cornelia de Lange syndrome – Cornelia Catharina de Lange
• Costen syndrome – James Bray Costen
• Count Choculitis – Count Chocula
• Crigler-Najjar syndrome – John Fielding Crigler, Victor Assad Najjar
• Crocq-Cassirer syndrome – Jean Crocq, Richard Cassirer
• Creutzfeldt-Jakob disease – Hans Gerhard Creutzfeldt, Alfons Maria Jakob
• Crohn's disease – Burrill Bernard Crohn
• Cronkite-Canada syndrome – L.W. Cronkite, Wilma Canada
• Crouzon syndrome – Octave Crouzon
• Cruveilhier-Baumgarten disease – Jean Cruveilhier, Paul Clemens von Baumgarten
• Cruz disease – Osvaldo Gonçalves Cruz
• Curling's ulcer – Thomas Blizard Curling
• Curschmann-Batten-Steinert syndrome – Hans Curschmann, Frederick Batten, Hans Gustav Steinhart
• Cushing's disease – Harvey Cushing

 D

• Da Costa syndrome – Jacob Mendez Da Costa
• Dalrymple disease – John Dalrymple
• Danbolt-Closs syndrome – Niels Christian Gauslaa Danbolt, Karl Philipp Closs
• de Quervain's disease – Fritz de Quervain
• Dejerine-Sottas disease
• Denys-Drash syndrome
• Dent's disease
• Devic's disease
• Di Guglielmo's disease
• Donovanosis
• Down syndrome – John Langdon Down
• Dressler's syndrome
• Duane syndrome
• Dubin-Johnson syndrome
• Duchenne muscular dystrophy
• Duncan's disease
• Duncan's syndrome[1]
• Dupuytren's contracture
• DiGeorge syndrome

 E

• Eales disease
• Edwards syndrome—John H. Edwards

 F

• Fabry's disease
• Fanconi anaemia
• Farber's disease
• Felty's syndrome-A.R. Felty
• Fitz-Hugh-Curtis syndrome
• Foix-Alajouanine disease
• Fournier gangrene
• Forbe's disease (see Glycogen storage disease type III)
• Fugate's disease
• Franklin's disease
• Friedreich's ataxia

 G

• Gaucher's disease
• Ghon focus – Anton Ghon
• Gilbert syndrome – Augustin Nicolas Gilbert, French gastroenterologist
• Graves' disease
• Graves-Basedow disease – Robert James Graves, Karl Adolph von Basedow
• Grawitz tumor (nephrocellular carcinoma) – Paul Albert Grawitz, German pathologist
• Guam disease
• Guillain-Barré syndrome – Georges Guillain, Jean Alexandre Barré
• Gunther's disease

 H

• Hailey-Hailey disease
• Hallervorden-Spatz disease
• Hansen's disease – Gerhard Armauer Hansen
• Hartnup disease
• Hashimoto's thyroiditis – Hakaru Hashimoto
• Heyde's syndrome
• Hirschsprung's disease – Harald Hirschsprung, Danish physician
• Hodgkin's disease, Non-Hodgkin's lymphoma – Thomas Hodgkin
• Horton's headache
• Huntington's disease
• Henoch-Schönlein purpura

 J

• Jakob-Creutzfeldt disease

 K

• Kahler's disease
• Kaposi sarcoma – Moritz Kaposi, Hungarian dermatologist
• Kashin-Beck disease
• Kawasaki disease
• Kearns-Sayre syndrome
• Kenny syndrome
• Keshen disease
• Kienbock's disease
• Kikuchi's disease
• Kimmelstiel-Wilson disease
• Kimura's disease
• Kinsbourne's syndrome
• Kjer's optic neuropathy– Poul Kjer, Danish ophthalmologist
• Klatskin's tumor
• Klinefelter's syndrome
• Klüver-Bucy syndrome
• Köhler's bone disease
• Korsakoff syndrome
• Krabbe's disease
• Kugelberg-Weland disease
• King-Kopetzky syndrome

 L

• Lackasushi
• Lafora's disease
• Legg-Calvé-Perthes disease
• Leigh's disease
• Leiner's disease
• Lenègre's disease
• Lesch-Nyhan syndrome
• Letterer-Siwe disease
• Lev's disease
• Libman-Sacks disease
• Lobomycosis
• Löffler's eosinophilic endocarditis
• Lou Gehrig's disease
• Ludwig's angina
• Lynch syndrome

 M

• Machado-Joseph disease (Spinocerebellar ataxia type 3)
• Maladie de Charcot, French name for Motor Neurone Disease – Jean-Martin Charcot, a French neurologist
• Mallory-Weiss syndrome – G. Kenneth Mallory and Soma Weiss
• Marburg multiple sclerosis – Otto Marburg
• Marfan syndrome
• McArdle's Disease
• Ménétrier's disease
• Ménière’s disease – Prosper Meniere
• Menke's disease
• Minamata disease – Minamata, Japan
• Mondor's disease
• Monge's disease
• Mucha-Habermann disease

 N

• Naxos disease
• Noonan syndrome

 O

• Ondine's curse
• Ormond disease
• Osgood-Schlatter disease
• Osler-Weber-Rendu (Hereditary hemorrhagic telangiectasia)

 P

• Paget's disease of bone (* Paget's disease)
• Paget's disease of the breast (* Paget's disease of the nipple)
• Paget's disease of the penis
• Parkinson's disease – Dr. James Parkinson
• Patau syndrome
• Pelizeus-Merzbacher disease
• Peyronie's disease – Francois Gigot de la Peyronie
• Pick's disease – Arnold Pick
• Pickardt syndrome
• Plummer's disease
• Poland's syndrome – Sir Alfred Poland
• Pompe's disease
• Pott's disease – Percivall Pott
• Pott's Puffy Tumor – Percivall Pott
• Potter's syndrome – Dr. Edith Potter
• Prader-Willi syndrome – Dr. Andrea Prader, (Alexis Labhart) and Dr. Heinrich Willi
• Prinzmetal angina – Myron Prinzmetal

 R

• Raynaud's disease – Maurice Raynaud, French physician
• Refsum's disease
• Reiter's syndrome
• Reye's syndrome
• Riggs' disease – John M. Riggs (dentist)
• Riley-Day syndrome
• Ritter's disease
• Robles Disease – Rodolfo Robles, Guatemalan physician
• Roger's disease
• Rotor syndrome – Arturo Belleza Rotor, Filipino internist
• Rubenstein-Taybi syndrome

 S

• Salmonella – Daniel Elmer Salmon
• Sandhoff's disease
• Scahmberg's disease
• Schilder's disease
• Schinzel-Giedion Syndrome – Drs. Albert Schinzel and Andreas Giedion, who first described the syndrome in a professional journal
• Seligmann's disease
• Sever's disease
• Silver-Russel syndrom
• Simmond's disease
• Sjogren's syndrome
• Steele-Richardson-Olszewski syndrome
• Stevens-Johnson syndrome
• Sturge-Weber disease
• Still's disease
• Susac's syndrome

 T

• Takayasu's arteritis
• Tangier disease
• Tay-Sachs disease
• Thomsen's disease
• Tourette syndrome – Georges Albert Édouard Brutus Gilles de la Tourette
• Treacher Collins syndrome is the common name for mandibulofacial dysostosis
• Turcot syndrome
• Turner's syndrome – Henry Turner

 U

• Unverricht-Lundborg disease

 V

• Vincent's angina
• Von Gierke's disease
• Von Hippel-Lindau disease – Dr. Eugen von Hippel; Arvid Vilhelm Lindau, Swedish pathologist
• Von Recklinghausen's disease (* neurofibromatosis)
• Von Willebrand's disease – Erik Adolf von Willebrand

 W

• Waldenstrom's macroglobulinaemia
• Warkany syndrome (trisomy)
• Waterhouse-Friderichsen syndrome
• Weber-Christian disease
• Wegener's granulomatosis
• Werner's syndrome
• Wernicke's encephalopathy
• Whipple's disease – George Hoyt Whipple
• Wilms' tumor – Dr Max Wilms, a German surgeon
• Wilson's disease
• Wiskott-Aldrich syndrome – Alfred Wiskott, Robert Aldrich
• Wohlfart-Kugelberg-Welander disease
• Wolff-Parkinson-White syndrome
• Wolman disease
• Williams syndrome

 Z

• Zieve's syndrome
• Zollinger-Ellison syndrome