Eponyms beginning with P
- Palizaeus-Merzbacher syndrome (infantile type)
- Pallister's mosaicism syndrome
- Pallister's syndrome
- Pallister's syndrome
- Pallister's tetrasomy syndrome
- Pallister-Hall syndrome
- Pallister-Killian syndrome
- Pallister-Teschler-Nicola and Killian syndrome
- Palmoplantar keratoderma of Sybert
- Paltauf's dwarfism
- Paltauf-Sternberg disease
- Panayiotopoulos syndrome
- Pancoast's apex syndrome
- Pancoast's disease
- Pancoast's pain syndrome
- Pancoast's syndrome
- Pancoast's tumour
- Pancoast-Tobías syndrome
- Panner's disease II
- Panner’s syndrome I
- Pap smear
- Papanicolaou's smear
- Papanicolaou's smear test
- Papanicolaou's stain
- Papanicolaou's test