Olli Mäki (22 December 1936 – 6 April 2019) was a Finnish boxer. As an amateur, he won the European lightweight title in 1959. Before this, he placed second in 1957. He was dropped from the 1960 Olympic team. After this, he became professional. He fought until 1973 as a pro, with a record of 28 victories, 14 losses and 8 draws. He lost in two rounds to Davey Moore in 1962. In retirement, Mäki worked as a boxing coach and manager. The movie, "The Happiest Day in the Life of Olli Mäki" (2016), is based on his life. He was born in Kokkola.