Mary Ann Cunningham (née, Woodman; July 19, 1841 – January 22, 1930) was a Canadian temperance activist.

Mary Ann Woodman was born in St. Thomas in Elgin County, Ontario, July 19, 1841.

[3] She moved to British Columbia in 1862, and three years later, married James Cunningham (1834–1925), of New Westminster, in that province.

Cunningham was elected first president of the New Westminster Union, and she was re-elected annually for twelve years.

Besides actively cooperating with the Dominion Alliance and other temperance societies, she presided over a large Band of Hope and Loyal Legion, under the auspices of the local WCTU.

in October, 1923, Mrs. Cunningham said: “I have been a member of the provincial WCTU 40 years, and have held office for 31 years.”[2] She was the founder and eight years president of the Managing Board of Women's Hospital (under the auspices of the local WCTU), later amalgamated with the Royal Columbian Hospital.