Pranas Vilkas (born 1936) is a Lithuanian politician.
Vilkas was a member of the Seimas (Lithuanian parliament) from 2000 to 2008.
From 2000 to 2003, Vilkas was a member of the Liberal Union.
From 2003 to 2004 he was a member of the Liberal Democratic Party (now called Order and Justice).
From 2004-2008, Vilkas was a member of Seimas as a representative of the Labour Party.