Lois Van Valkenburgh (1920–2002) was an American lobbyist and legislative aide most known for her political and civil rights activism.

She also served on the board of the Virginia Department of Behavioral Health and Developmental Services and in the 1970s was a legislative aide to Delegate Mary Marshall.

[5] Her maternal grandmother was Jessie Jack Hooper, a suffragette, clubwoman, and peace activist, who was one of the first women to run for elected office in Wisconsin.

In 1939, she ran for junior class president, causing a flurry of press articles about her wanting to become the prom king, because by tradition winner of the election served in that capacity.

She served as president of the T. C. Williams High School Parent-Teacher Association twice in the 1960s and was on the board of the Virginia Congress of Parents and Teachers.

In 1998, she was recognized by the Alexandria Volunteer Bureau for her contributions in fighting breast cancer and promoting senior services for aging community members.