Olavi Leo Aleksander Kettunen (1928 in Impilahti, Finland - 2015 in California, USA), was a Finnish furniture and interior designer.
Kettunen pursued his education in the arts at the Taideteollisuuskeskuskoulu in Helsinki, graduating in 1953 with a focus on decorative painting. However, his interests soon shifted toward furniture design, where he found his true calling.