Kolín (; ) is a town in the Central Bohemian Region of the Czech Republic some east from Prague, lying on the Elbe River.
Kolinj may refer to:
- Kolín, town in the Central Bohemian Region of the Czech Republic
- Kolin, West Pomeranian Voivodeship, village in the administrative district of Gmina Dolice, within Stargard County, West Pomeranian Voivodeship, in north-western Poland
- Kolin, Iran, or Koleyn, Kolīn and Kūlīn), a village in Koleyn Rural District, Fashapuyeh District, Rey County, Tehran Province, Iran