Ralph Smith may refer to:
Politics
edit- Ralph Smith (Canadian politician) (1858–1917), Canadian House of Commons member and Labor leader
- Ralph T. Smith (1915–1972), U.S. senator from Illinois
- Ralph K. Smith (born 1942), U.S. politician from Virginia
Others
edit- Ralph Smith (American football) (1938–2023), American football player
- Ralph Smith (swimmer), Australian Paralympian
- Ralph Maynard Smith (1904–1964), British artist, writer and architect
- Ralph C. Smith (1893–1998), United States Army general