Olli Ahvenlahti (born 6 August 1949, in Helsinki) is a Finnish pianist, composer and conductor of Russian descent.
[1] Ahvenlahti succeeded Ossi Runne as the Finnish conductor at the Eurovision Song Contest for the 1990 Contest.
At these contests, Ahvenlahti was part of the Finnish commentary team.
He has played alongside a large number of Finnish artists, most notably the UMO Jazz Orchestra in the 1970s.
During the 1990s, he worked for the Finnish radio and television company YLE.