Olea Marion Davis (May 20, 1899 – 1977) (née Montgomery) was a Canadian artist and craftsperson who worked in architecture and decorative art as well as sculpture and pottery. Her sculptural and ceramic work was exhibited in Montreal, Toronto, Edmonton, as well as at the Brussel's World Fair (Expo '58) in 1958 and the Ostende International Show in 1959. Her architectural commissions include friezes, ornamental grills and screens, and lighting fixtures for locations such as the Hotel Vancouver and Pier B.C. in Vancouver, British Columbia. Her work is included in the permanent collection of the Canadian Embassy in Washington, D.C.