Kościelec may refer to the following places in Poland:
Mountains Kościelec, 2155 m a.s.l., a mountain in Polish part of High Tatras (south Poland) Kościelec, 1019 m a.s.l., a mountain in Polish part of Silesian Beskids (south Poland)
Villages and towns Kościelec, Kalisz County in Greater Poland Voivodeship (west-central Poland) Kościelec, Koło County in Greater Poland Voivodeship (west-central Poland) Kościelec, Kuyavian-Pomeranian Voivodeship (north-central Poland) Kościelec, Lesser Poland Voivodeship (south Poland) Kościelec, Lower Silesian Voivodeship (south-west Poland) Kościelec, Pomeranian Voivodeship (north Poland) Kościelec, Silesian Voivodeship (south Poland)