Vilho Lennart "Lenni" Viitala (8 November 1921 – 24 February 1966) was a Finnish flyweight wrestler who won gold medals in freestyle wrestling at the 1946 European Athletics Championships and 1948 Olympics. Domestically Viitala won five freestyle (1946–49, 1956) and one Greco-Roman title (1953). He was a carpenter by profession.