Phocas or Phokas (from Greek: Φωκάς) may refer to:
- Saint Phocas, Bishop of Sinope
- Saint Phocas, a 4th-century Christian martyr
- Flavius Phocas, Byzantine emperor from 602–610
- John Phokas, 12th-century pilgrim and writer
- Phokas (Byzantine family), Byzantine nobles including:
- Nikephoros Phokas the Elder, general
- Leo Phokas the Elder, son of Nikephoros, general
- Bardas Phokas the Elder, son of Nikephoros, general
- Nikephoros II Phokas, son of Bardas, Byzantine emperor from 963–969
- Leo Phokas the Younger, son of Bardas, general and curopalates
- Bardas Phokas the Younger, son of Leo, general and rebel against Basil II