Chełmiński may refer to:
Jan Chełmiński (1851–1925), a Polish historical painter
- Locality in Poland
- Radzyń Chełmiński, a town in Grudziądz County
- Dorposz Chełmiński, a village in Gmina Chełmno within Chełmno County
- Powiat Chełmiński, the Polish language toponym for the Chełmno County