Jonas Magnus Thern (born 20 March 1967) is a Swedish football manager and former professional player who played as a midfielder between 1985 and 1999. Thern also earned 75 caps and scored six goals for Sweden between 1987 and 1997. He captained the Sweden squad that finished third at the 1994 FIFA World Cup in the United States. Thern's playing career took him from Malmö FF in Sweden to FC Zürich in Switzerland and further in Europe to Benfica in Portugal, Napoli and Roma in Italy and finally Rangers in Scotland where he finished his career. After his playing career Thern has coached his youth club IFK Värnamo for two periods, between 2000 and 2001 and 2010 as well as Halmstads BK between 2002 and 2003. He has also acted as a youth coach at IFK Värnamo, a sports commentator as well as a teacher.
Born and raised in the town of Värnamo in southern central Sweden, Thern started his professional career in 1985 when he joined the classic Swedish club of Malmö FF, where he stayed for four years, earning him two titles in the 1986 and 1988 Allsvenskan. In 1989, he won the Guldbollen as Sweden's Footballer of the Year.