Eyleifur Hafsteinsson (born 31 May 1947) is an Icelandic former footballer who played as a forward. He won the Icelandic championship in 1968, 1970 and 1974 and the Icelandic Cup in 1966.^[1] He was part of the Iceland national team between 1964 and 1972, playing 26 matches and scoring 4 goals.^[2]

After coming up through the junior teams of Íþróttabandalag Akraness (ÍA), he debuted with the senior team in 1964.^[3][4] He became an instant hit, becoming the youngest player ever to score in the Icelandic top-tier league when he did so three days before his 17th birthday. He finished the 1964 season as the league's top goal scorer with 10 goals.^[1] The following year he spent three months in Glasgow, Scotland, where he trained with the Glasgow Rangers.^[5] He returned to ÍA before the start of the 1965 season where he scored 7 goals.^[6] In 1966, he moved to Reykjavík and joined Knattspyrnufélag Reykjavíkur where he played until 1969.^[7][8] In 1970, he returned to ÍA where he finished his career in 1975, at the age of 27.^[9]

• List of Iceland international footballers