Samuel Campbell
Samuel or Sam Campbell may refer to:
- Samuel Campbell (American politician), U.S. Representative from New York
- Samuel Campbell (Canadian politician), politician from Nova Scotia
- Samuel Campbell (doctor), HMS Plumper ship's surgeon, 1857–1861; namesake of several locations in Canada
- Samuel Campbell (New York state senator), New York politician
- Samuel B. Campbell, Republican politician in the state of Ohio
- Samuel James Campbell, businessman from Mount Carroll, Illinois
- Sam Campbell (writer), writer, lecturer, and photographer
- Sam Campbell (baseball), 19th-century baseball player
- Sam Campbell (equestrian), Australian Olympic equestrian
- Sam Campbell (footballer), Australian rules footballer
- Sam Campbell (comedian), Australian stand-up comedian and actor
In fiction
- Samuel Campbell, a character from the television show ''Supernatural''