* Roy Rogers (born Leonard Slye) - vocals
* Bob Nolan (born Robert Clarence Nobles) - vocals, guitar, songwriter
* Hugh Farr (born Hugh W Farr) - vocals, guitar
* Tim Spencer (born Timothy B Spencer) - vocals, fiddle, guitar
* Karl Farr (born Karl A Farr) - vocals, bass, guitar, songwriter
Over the years, the Sons of the Pioneers have had a number of other members, including:
* Ken Carson - vocals, bass
* Lloyd Perryman - vocals, guitar, fiddle
* Red Foley - vocals, guitar
* Pat Brady - vocals, guitar
* Shug Fisher - vocals, guitar, fiddle
* Billy Hill - vocals, guitar, fiddle
* Artie Dunn - vocals, guitar
* Dale Warren - vocals, guitar
* John "Shug" Fisher - vocals, guitar, fiddle
* Tommy Nallie - vocals, guitar, fiddle
* Ken Carson - vocals, bass
The Sons of the Pioneers have been inducted into the Country Music Hall of Fame and Museum, the Western Music Association Hall of Fame, and the Grand Ole Opry. They are considered one of the most important and influential groups in country music history.