Javier Barranco Cosano (born 17 November 1998) is a Spanish tennis player who competes on the ATP Challenger Tour.

[1] He has a career-high ATP singles ranking of world No.

213 achieved on 5 August 2024 and a doubles ranking of No.

258 achieved on 12 November 2018.

[2] He made his ATP main draw debut at the 2024 Lyon Open after entering the singles main draw as a lucky loser, losing to Dominik Koepfer in the first round.