Martti Järventie (born April 4, 1976 in Tampere, Finland) is a professional ice hockey player currently playing for Ilves in the SM-liiga. Järventie began his career with Ilves where he spent a total of nine years, beginning at junior level in 1992. In 1995 he had spells with KOO-VEE and Lukko before returning to Ilves. In 2001, he moved to TPS. Järventie was drafted 109th overall by the Montreal Canadiens in the 2001 NHL Entry Draft but managed to play just one game in the NHL, having been assigned to the American Hockey League's Quebec Citadelles. Afterwards, Järventie returned to Ilves before joining Jokerit. After five seasons, Järventie moved to the Swedish Elitserien for Mora IK for one season before returning to the SM-liiga with Kärpät. In 2009, he joined HIFK and won the SM-Liiga