Mariana Cerro Galán (born 22 May 2000) is a Spanish footballer who plays as a midfielder for Athletic Club.
Cerro started her career at Ardoi. On 4 April 2021, she made her Primera División debut for Athletic Club, coming on as a substitute for Yulema Corres against Santa Teresa. Cerro became the first Athletic Club B player to debut for the first team under Iraia Iturregi's management and was praised for her performance.
Having rarely featured in the first half of the 2024âÂÂ25 Liga F campaign, in January 2025 she was loaned to Eibar until the end of the season.