Mary-Woo Sims (沈明麗) is a social justice activist. Best known as a former chief commissioner of the British Columbia Human Rights Commission, Sims was also a candidate for the New Democratic Party in the electoral district of Port Moody—Westwood—Port Coquitlam in the 2006 federal election. Born in Hong Kong, Sims first came to Canada as a student in 1970. She became a Canadian citizen in 1978. Sims was also an opinion columnist with the Tri-City News, a local newspaper covering Port Moody, Coquitlam and Port Coquitlam.