Otín may refer to places in the Czech Republic:

• Otín (Jihlava District), a municipality and village in the Vysočina Region
• Otín (Žďár nad Sázavou District), a municipality and village in the Vysočina Region
• Otín, a village and part of Jindřichův Hradec in the South Bohemian Region
• Otín, a village and part of Klatovy in the Plzeň Region
• Otín, a village and part of Luka nad Jihlavou in the Vysočina Region
• Otín, a village and part of Planá (Tachov District) in the Plzeň Region

• Otin, female Islamic teacher in Central Asia
• Otin River, a river in Nigeria