Eponyms beginning with A
- Abeshouse's triad
- Abotutuo (African name)
- Abrami's disease
- Abrami's syndrome
- Abramov-Fiedler myocarditis
- Abrams' heart reflex
- Abrams' heart reflex II
- Abrams' lung reflexes
- Abrams' reflex
- Abrams' transillumination
- Abt-Larsson-Sjögren syndrome (Karl Gustaf Torsten Sjögren)
- Abt-Letterer-Siwe syndrome
- Accelerated skeletal maturation, Marshall Smith type
- Achalasia-Addisonian syndrome
- Achalme's bacillus
- Achard's syndrome
- Achard's syndrome
- Achard-Castaigne test
- Achard-Thiers syndrome
- Achenbach's syndrome
- Achilles tendinitis
- Achilles tendon bursitis
- Achilles' paradox
- Achilles' reflex
- Achilles' tendon