Herdman is a surname. Notable people with the surname include:
Alexander Herdman (1869–1953), New Zealand politician
Bob Herdman (born 1966), creator of the band Audio Adrenaline and the non profit Hands and Feet Project
Joshua Herdman (born 1987), English actor known for his roles in the Harry Potter films as Gregory Goyle
Priscilla Herdman, American folk singer
William Abbott Herdman (1858–1924), British marine zoologist and oceanographer
William Gawin Herdman (1805-1882) an author and painter of scenes in the Liverpool area of England
