P
- Christos Papadimitriou
- David Parnas – information hiding, modular programming
- Yale Patt – Instruction-level parallelism, speculative architectures
- David A. Patterson
- Randy Pausch (1960–2008) – Human-Computer interaction, Carnegie professor, "Last Lecture"
- Judea Pearl – artificial intelligence, Search
- Alan Perlis – Programming Pearls
- Radia Perlman – spanning tree protocol
- Simon Peyton Jones – functional programming
- Gordon Plotkin
- Amir Pnueli – temporal logic
- Willem van der Poel – computer graphics, robotics, geographic information systems, imaging, multimedia, virtual environments, games
- Martha Pollack – intentions in planning
- Emil Post – mathematics
- Jon Postel – Internet
- Franco Preparata
- William H. Press – numerical algorithms
Read more about this topic: List Of Computer Scientists