Hammerstad (surname)

Hammerstad is a surname. Notable people with the surname include:


 * Hans Laurits Olsen Hammerstad (1840–1877), Norwegian politician
 * John Olsen Hammerstad (1842–1925), Norwegian-born American painter
 * Oddmund Hammerstad (born 1942), Norwegian military officer, businessperson and politician
 * Ole Larsen Hammerstad (1817–1873), Norwegian politician