Harry August Wahl (July 17, 1869 – July 31, 1940) was a Finnish businessman, violin collector, and sailor who competed in the 1912 Summer Olympics.
He was a crew member of the Finnish boat Nina, which won the silver medal in the 10 metre class.Harry Wahl was the grandson of Vyborg-based industrialist Paul Wahl (1797–1872).
The Wahl family had made its fortune by various businesses, many of which were connected to the construction of the Saimaa Canal around the 1850s.