Unto is a Finnish masculine given name. People with the name include:
Unto Elo (born 1944), Finnish sprint canoeist Unto Hautalahti (1936–2019), Finnish cyclist Unto Korhonen (1931–2020), Finnish diplomat Unto Mononen (1930–1968), Finnish musician Unto Nevalainen (born 1935), Finnish football player Unto Ojonen (1909–1997), Finnish architect Unto Parvilahti (1907–1970), Finnish writer and photographer, Waffen-SS member Unto Raisa (born 1934), Finnish chess player Unto Valpas (1944–2016), Finnish politician Unto Venäläinen (born 1944), Finnish chess player Unto Wiitala (1925–2019), Finnish ice hockey player