Smallbone is a surname. Notable people with the surname include:
- Frederick Smallbone (born 1948), British rower
- Joel Smallbone (born 1984), Australian singer and actor
- with his brother Luke (born 1986) in For King & Country
- Rebecca Smallbone (born 1977), became Rebecca St. James, older sister of For King & Country duet
- Will Smallbone (born 2000), English-born, Irish international footballer
Other uses
- Smallbone Deceased, a mystery novel by Michael Gilbert
- Smallbone Park, a cricket ground in Rotorua, New Zealand