Harold Adrian Walden (10 October 1887 – 2 December 1955) was an English amateur football player who competed in the 1912 Summer Olympics. A centre forward, he began his career at Halifax Town before joining Bradford City in December 1911. He spent four seasons with the Bantams and was the League's top scorer in 1911–12. That summer, he was part of the English amateur team that represented Great Britain at the Olympic football tournament, winning the gold medal. He played in all three matches and scored eleven goals. He holds the record of being the 'Highest British goal scorer within the Olympics' and is still the fourth highest goal scorer overall within the Olympics.