Kolomiets (also Kolomiyets) is a patronymic surname of Slavic origin. Russified variant: Kolomoiets. The word litarally mean "a person from Kolomyia". Notable people with the surname include:
- Trofim Kolomiets (1894–1971), Soviet Army commander
- Inna Kolomiets (1921–2005), Ukrainian sculptor
- Marina Kolomiets (born 1972), Russian footballer
- Olga Kolomiyets (born 1973), Ukrainian volleyball player