Helseth is a surname. Notable people with the surname include:
Are Helseth (born 1955), Norwegian physician, health administrator and politician Hovel Helseth (1779–1865), Norwegian industrial entrepreneur and politician Martin Helseth (born 1994), Norwegian competitive rower Randi Helseth (1905–1991), Norwegian singer Tine Thing Helseth (born 1987), Norwegian trumpet soloist