Andrea Collarini (Spanish pronunciation: [anˈdɾea kolaˈɾini]; born 31 January 1992) is an Argentine-American tennis player. who competes mainly on the ATP Challenger Tour. He has a career high ATP singles ranking of No. 177 achieved on 24 April 2023. He also has a career high ATP doubles ranking of No. 193 achieved on 1 August 2022. He has won three ATP Challenger and 15 ITF singles titles, and two Challenger and 10 ITF doubles titles.
Collarini had represented Argentina in the early days of his career from 2007 to 2010, until he chose to represent USA from 2010 to 2012 before switching back to represent Argentina.
On the junior circuit, Collarini had a career high ITF junior ranking of 5 achieved in 2009. In 2010, he reached the final of the French Open boys' singles event, finishing runner-up to Agustín Velotti.
He won his first ATP Challenger title at the 2015 Blu-Express.com Tennis Cup in the doubles' event partnering Andrés Molteni.
He made his ATP debut at the 2021 Croatia Open Umag as a qualifier but lost to wildcard Duje Ajduković.
Ranked No. 267, he qualified for the 2024 Generali Open Kitzbühel, his second ATP main draw.