Juan Carlos Spir (Spanish pronunciation: ['xwa? 'ka?los (e)'spi?]; 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.
On September 8, 2014, he reached his highest ATP singles ranking of 410 and his highest doubles ranking of 122, on August 4, 2014.