- Picard-Lefschetz transformation
- Picard little theorem
- Picard method
- Picard number
- Picard problem
- Picard scheme
- Picard sequence
- Picard small theorem
- Picard successive approximation method
- Picard theorem
- Picard type theorem
- Picard value
- Picard variety
- Picard-Vessiot extension field
- Picard-Vessiot theory
- picardy third
- Picaresque novel
- Picasso And His Bull
- PICC
- Piccard
- piccolo
- Piccolomini crater
- Pic du Midi Observatory
- Picea Evergreen Needleleaf Forest
- Picea meyeri Evergreen Needleleaf Forest