Fredrik Teodor Koskenniemi (5 November 1887, Vihti – 15 March 1965) was a Finnish athlete who competed mainly in the cross country team event during his career.
He competed for Finland at the 1920 Summer Olympics held in Antwerp, Belgium where he won the gold medal in the Men's Cross Country Team event with his team mates Paavo Nurmi and Heikki Liimatainen.