Väinö Viljam Sinisalo (13 February 1892 – 27 March 1951) was a Finnish politician.

He started working at the age of 11 as a farmworker in the Kytäjä Mansion in Hyvinkää.

In the 1918 Finnish Civil War, Sinisalo fought for the Red Guards.

He was captured by the Whites and sentenced for 5 years in prison but pardoned in 1919.

After the war, Sinisalo worked as a janitor at the local worker's hall in Herajoki, Riihimäki.