Sielec
Sielec may refer to the following places:
Belarus
- Sialiec, Biaroza Raion (western Belarus)
 
Poland
- Sielec, Inowrocław County, Kuyavian-Pomeranian Voivodeship (north-central Poland)
 - Sielec, Żnin County, Kuyavian-Pomeranian Voivodeship (north-central Poland)
 - Sielec, Gmina Opoczno, Łódź Voivodeship (central Poland)
 - Sielec, Gmina Żarnów, Łódź Voivodeship (central Poland)
 - Sielec, Lublin Voivodeship (east Poland)
 - Sielec, Grójec County, Masovian Voivodeship (east-central Poland)
 - Sielec, Płońsk County, Masovian Voivodeship (east-central Poland)
 - Sielec, Tarnobrzeg, Podkarpackie Voivodeship
 - Sielec, Podkarpackie Voivodeship
 - Sielec, Subcarpathian Voivodeship (south-east Poland)
 - Sielec, Busko County, Świętokrzyskie Voivodeship (south-central Poland)
 - Sielec, Jędrzejów County, Świętokrzyskie Voivodeship (south-central Poland)
 - Sielec, Staszów County, Świętokrzyskie Voivodeship (south-central Poland)
 - Sielec-Kolonia, Świętokrzyskie Voivodeship
 
Ukraine
- Sielec, Drohobych Raion in Lviv Oblast (western Ukraine)
 
See also
- Sielecki, a Polish surname