Robert Castellanos (born May 11, 1998) is an American professional soccer player who plays as a defender for USL Championship club Tampa Bay Rowdies.
Castellanos was born in Palmdale, California and attended Estancia High School. On February 14, 2017, he signed with United Soccer League club LA Galaxy II out of the youth academy of Club Atlas of the Liga MX.
After three seasons with Rio Grande Valley FC, the club declined their contract option on Castellanos following their 2020 season.
On February 17, 2021, Castellanos signed with MLS side Nashville SC. Castellanos was loaned to USL Championship side Tampa Bay Rowdies on March 11, 2022. Following the 2022 season, his contract option was declined by Nashville.
On 26 January 2023, Castellanos signed for Finnish club KuPS ahead of the 2023 season with the option to extend the deal for a further year.
