Harrison Mcmahon is a 21-year-old professional football player from SCO. He currently plays for Chelsea FC U19, wearing the number 8 shirt. He plays primarily as a Midfield.

His most recent move was a from Chelsea U18 to Chelsea U23 on 2024-07-01.

Across 6 appearances in the UEFA Youth League 2025-2026, Harrison Mcmahon registered 0 goals and 2 assists, while completing 3 key passes out of 269 total passes with a passing accuracy of 41.3.