Sanni Maaria Leinonen (born November 8, 1989 in Siilinjärvi) is an alpine skier from Finland. She competes for Finland in technical events on the World Cup. She represented Finland at the 2010 Winter Olympics.[1] Her best result was a 30th place in the giant slalom.[2] Her best result on the World Cup is a 7th place finish in the slalom at Maribor, Slovenia in 2010.[3]