Jonas Troest (born 4 March 1985) is a retired Danish professional footballer, who played as a centre-back.
Troest started his senior career in 2002, with B 93 in the secondary Danish 1st Division league.
While at Silkeborg, he made his debut for the Denmark under-21 national team in September 2004.
He moved abroad to play for Bundesliga club Hannover 96 in January 2006.
This biographical article related to association football in Denmark, about a defender, is a stub.