Venäläinen is a Finnish surname meaning "a Russian". Notable people with the surname include:
Ilja Venäläinen (born 1980), Finnish football player Kati Venäläinen (born 1975; née Sundqvist), Finnish cross-country skier Sami Venäläinen (born 1981), Finnish ice hockey player Unto Venäläinen (born 1944), Finnish chess master