Piekiełko may refer to the following places: Piekiełko, Lesser Poland Voivodeship (south Poland) Piekiełko, Masovian Voivodeship (east-central Poland) Piekiełko, Mława, a former village, now part of the town of Mława in Masovian Voivodeship Piekiełko, Gmina Przodkowo in Pomeranian Voivodeship (north Poland) Piekiełko, Gmina Sierakowice in Pomeranian Voivodeship (north Poland)