Einar Pettersen (23 June 1897 – 23 March 1966) was a Norwegian sport wrestler.
Born in Sarpsborg on 23 June 1897, Pettersen represented the club TIL National. He won a silver medal at the 1922 World Wrestling Championships. He was awarded the King's Cup at the national championships in 1927.
Pettersen died in Sarpsborg on 23 March 1966, aged 68.