Katja Maarit Lehto (born 14 August 1972) is a Finnish retired ice hockey player. She played with the Finnish national ice hockey team throughout the 1990s and won a bronze medal at the inaugural Olympic women's ice hockey tournament at the 1998 Winter Olympics. With the national team, she also won bronze at the IIHF Women's World Championships in 1999 and 2000, and gold at the 1995 IIHF European Women Championship.
Lehto's club career was played in the Naisten SM-sarja with KalPa Naiset and JYP Naiset. After retiring from play, she worked as the general manager for JYP Naiset in the 2014âÂÂ15 and 2015âÂÂ2016 seasons.