Kati Venäläinen-Sundqvist (born Kati Sundqvist on February 15, 1975 in Noormarkku, Satakunta) is a Finnish cross-country skier who has competed since 1995.
She won a silver medal in the individual sprint at the 2001 FIS Nordic World Ski Championships in Lahti.
Sundqvist's best individual finish at the Winter Olympics was 16th in the 5 km + 5 km combined pursuit at Salt Lake City in 2002.
She has five individual career victories up to 10 km from 2002 to 2005.