Jón Sigurðsson (born 6 March 1951) is an Icelandic former basketball player and the former captain of the Icelandic national basketball team. He was named the Icelandic Basketball Player of the Year in 1976 and 1978 and won the Icelandic championship in 1976, 1978 and 1979. In 2001, Jón was named as one of the twelve best Icelandic men's basketball players of the 20th century.