Career
Holt started his career with Queen of the South. Holt joined Queen of the South in August 2010 and began playing for their Under-19 squad. In June 2011 Holt was awarded the Jade Moore Memorial Trophy for being Queens under-19s player of the season.
Holt made his senior debut on 17 September 2011 as a substitute in a 4–1 victory against Greenock Morton in a Scottish First Division fixture replacing hat-trick scorer Kevin Smith.
Holt made his first start on 12 November 2011 against Partick Thistle in a goalless home draw. Holt was sent off against Dundee in December 2011 and this was his first ever dismissal.
At the end of the 2011-2012 season Queens were relegated to the Scottish Second Division but despite this Holt remained with the club, having signed a new contract in December 2011. In May 2015, Holt signed a pre-contract with Scottish Premiership club Dundee, with the move to be completed in July 2015.
Kevin Holt is the son of the Dumfries born football player Gordon Holt.
Gordon played for Kello Rovers in the Scottish Junior ranks before turning professional when he played for Airdrieonians during the 1986-1987 season and then for Stranraer during the 1987-1988 season. In 2011, Holt was studying for a career in banking.