Wesoły is a surname. Notable people with the surname include:
Marek Wesoły (cyclist) (born 1978), Polish former professional road cyclist Marek Wesoły (born 1972), Polish politician, member of the Polish Government Szczepan Wesoły (1926–2018), Polish Catholic titular archbishop and auxiliary bishop
See also Sloper-Wesoly House, a historic house in New Britain, Connecticut, United States