Maximin or Maximinus may refer to:
People:
- Maximinus I (Thrax) (c. 173–238), Roman emperor
- Maximinus II (Daia) (c. 270–313), Roman emperor
- Maximin of Trier (d. 346), French-born bishop of Trier, Germany
- Maximinus (praetorian prefect), 4th-century Roman officer and barrister
- Maximinus (diplomat), Byzantine ambassador to Attila the Hun
- Mesmin (d. 520), or Maximin, French saint
- Maximilian Kronberger (1888-1904), or Maximin, German poet
- Daniel Maximin, Guadeloupean writer
Other uses:
- Maximin (decision theory), also known as minimax, a strategy to maximize the minimum possible payback
- Maximin (philosophy), a principle regarding how justice relates to inequality