Railsback is a surname. Notable people with the surname include:
Alexis Railsback (born 1995), American beauty pageant winner Dick Railsback (1946–2021), American pole vaulter Harold Railsback, football coach for the Eastern Illinois University Panthers in Charleston, Illinois, USA Steve Railsback (born 1945), American theatre, film and television actor, born in Dallas, Texas Tom Railsback (1932–2020), served in the United States Congress from 1967 to 1983 for Moline, Illinois
See also Railsback curve, the physical properties of the piano which affect its acoustics