Domanin or Domanín may refer to places:
Czech Republic Domanín (Hodonín District), a municipality and village in the South Moravian Region Domanín (Jindřichův Hradec District), a municipality and village in the South Bohemian Region Domanín, a village and part of Bystřice nad Pernštejnem in the Vysočina Region
Poland Domanin, Kępno County Domanin, Koło County