Nikos Alefantos (, 3 January 1939 – 23 June 2020) was a Greek professional footballer and football coach. He was born in Athens. Alefantos managed several clubs in the Greek Super League, including Olympiacos F.C. during 2004. He also had played for Larissa F.C. in 1975 and 1990. From 1952 to 1969, he played as a footballer. From 1969 to 2004, he had a career as a football manager.