Eponyms beginning with P
- Papilla duodeni Santorini
- Papillon-Léage and Psaume syndrome
- Papillon-Lefèvre syndrome
- Pappenheim's stain I
- Pappenheim's stain II
- Paracusis of Willis
- Paragonmus ringeri
- Paralysie d'Albert Mouchet (French)
- Paramyotonica congenita Eulenburg
- Parinaud conjunctivitis
- Parinaud conjunctivoadenitis
- Parinaud's oculoglandular syndrome
- Parinaud-Koerber-Salus-Elschnig syndrome
- Parinaud’s conjunctiva adenitis
- Parinaud’s disease
- Parinaud’s ophthalmoplegia syndrome
- Parinaud’s syndrome
- Parinaud’s syndrome
- Park-Williams bacillus
- Park-Williams fixative
- Parker's syndrome
- Parkes Weber's syndrome
- Parkes Weber-Dimitri syndrome
- Parkinson's crisis
- Parkinson's disease