Martti Järventaus (born December 16, 1960 in Kotka, Finland) is a retired male breaststroke swimmer from Finland. He competed twice for his native country at the Summer Olympics: in 1980 and 1984. References sports-reference 1960 births Living people Finnish male breaststroke swimmers Swimmers at the 1980 Summer Olympics Swimmers at the 1984 Summer Olympics Olympic swimmers of Finland People from Kotka Sportspeople from Kymenlaakso