Jebb Sinclair (born 4 August 1986) is a Canadian rugby union player who played most recently for London Irish. Released from his contract over the summer of 2017, he is now coaching in Canada. Sinclair is a flanker but can also provide cover in the second row. Jebb made his debut for the Canadian national rugby team against Portugal while on Canada's 2008 tour of Europe. Sinclair has previously played with the Fredericton Loyalists, Castaway Wanderers RFC, RGC 1404 in North Wales, and The Rock of the Canadian Rugby Championship.