Niilo Ensio Turkkila (22 March 1921 – 25 August 2012) was a Finnish wrestler.
Competing in the 57 kg division he won national titles in Greco-Roman wrestling in 1949–50 and in freestyle wrestling in 1950–51, and placed second in freestyle at the 1951 World Championships.
After retiring from competitions he worked as a wrestling referee and sports functionary.
He was married and had three children, born in 1946, 1948 and 1954.