Þorsteinn Þorsteinsson (born 1964) is an Icelandic former footballer who played as a defender.
He was part of the Iceland national football team between 1982 and 1988.
Þorsteinn was a defender for Fram[1][2][3][4][5][6] until 1990, playing in several national championship matches, after which he played for Víkingur in 1991–1992.
[8][9] In 1987 he played for the national Olympic team in a friendly against Bordeaux.
This biographical article related to association football in Iceland is a stub.