Proca can be:
- Alexandru Proca, Romanian physicist
- Proca action, in physics, named after Alexandru Proca
- Eugeniu Gh. Proca , Romanian physician
- Nicolae Proca , Romanian footballer
- Zeno Proca (1906–1936), Romanian chess player
See also
edit- Procas, a king in Roman mythology
- Procas granulicollis, a beetle in the family Curculionidae