|Born||29 May 1994|
Oliver Henry Wynne-Griffith (born 29 May 1994) is a British rower.
Wynne-Griffith won a bronze medal at the 2018 World Rowing Championships in Plovdiv, Bulgaria, as part of the eight with James Rudkin, Alan Sinclair, Tom Ransley, Thomas George, Moe Sbihi, Matthew Tarrant, Will Satch and Henry Fieldman. The following year he won another bronze medal at the 2019 World Rowing Championships in Ottensheim, Austria as part of the eight with George, Rudkin, Josh Bugajski, Sbihi, Jacob Dawson, Tarrant Thomas Ford and Fieldman.
He won a silver medal in the eight at the 2019 European Rowing Championships. In 2021, he won a European gold medal in the eight in Varese, Italy.