Juan Carlos Spir (; born 1 May 1990) is a Colombian tennis player playing on the ATP Challenger Tour. He played college tennis for the Georgia Tech Yellow Jackets and was a three-time ITA All-American (2011, 2012, 2013) and a three-time All-ACC performer.
On September 8, 2014, he reached his highest ATP singles ranking of 410 and his highest doubles ranking of 122, on August 4, 2014.