Mary Guerra is a 19-year-old professional football player from ECU. At the international level, he represents Ecuador U17 Women. He plays primarily as a Midfield.

Across 1 appearances in the CONMEBOL U17 Women's Sudamericano 2025, Mary Guerra registered 4 goals and 4 assists, while completing 5 key passes out of 48 total passes with a passing accuracy of 38.