Aarne Armas Saarinen (5 December 1913 – 13 April 2004) was a Finnish politician and a trade union leader, who was a member of the Parliament of Finland for the People's Democratic League.
He was also the leader of the Communist-led Union of Construction Workers 1954–1966, the chairman of the Communist Party of Finland 1966–1982 and the vice-chairman of the People's Democratic League 1976–1985.