Spring Dell Byington (October 17, 1886 – September 7, 1971) was an American actress. Her career included a seven-year run on radio and television as the star of December Bride. She was a former MGM contract player who appeared in films from the 1930s to the 1960s. Byington received a nomination for an Academy Award for Best Supporting Actress for her role as Penelope Sycamore in You Can't Take It with You (1938).
On September 7, 1971, Byington died of cancer at her home in the Hollywood Hills. At her request, her body was donated to medical research.
For her contribution to the film and television industry, Byington has two stars on the Hollywood Walk of Fame, one for films at 6507 Hollywood Blvd., and one for television at 6233 Hollywood Blvd.