Helen Badgley (December 1, 1908 – October 25, 1977) was an American child actress of the silent film era.

At three years of age she appeared in her first film, Brother Bob's Baby, in 1911.

She married Robert J. Coar, founder of US Capitol Recording studio serving the Senate and House of Representatives in Washington DC who recorded the "Fireside Chats" with FDR during World War II.

They raised four children in Fairfax, VA: Bob, Helen, Gail and Jacquie.

Struck with Rheumatoid arthritis, Helen and her four teenagers moved to Phoenix, AZ.