Robert John Wilson Douglas FRSC (1920–1979) was a Canadian geologist who made contributions in the fields of structure stratigraphy, sedimentation, and petroleum geology.
Douglas was awarded a Manly B. Baker Scholarship and graduated from Queen's University in geology and mineralogy.
Douglas has contributed to our understanding of the structure of the Canadian Rocky Mountains and northern Canada.
These studies provided a detailed description and classification of carbonate rocks and theories on the formation of oil and gas reservoirs.
Douglas and his wife Winnifred lived in Ottawa, Ontario with their three children, Isabel, Robert and Gordon.