Troels Kløve Hallstrøm (born 23 October 1990) is a Danish professional footballer who plays for SønderjyskE, on loan from OB, as a midfielder.
Kløve started playing football for Hatting/Torsted as a six-year-old but moved to the AC Horsens youth academy in 2003. He made his senior debut for the club on 19 June 2010 in a second-tier Danish 1st Division match against BK Frem, coming on as a substitute in the 60th minute for André Bjerregaard.
On 12 June 2015, Kløve signed a three-year contract with SønderjyskE.
Kløve moved to OB on 24 January 2018. He made his debut for the club on 12 February in a 6–1 win over FC Helsingør, in which he provided two assists.