Z'graggen or Zgraggen is a surname. Notable people with the surname include:
Heidi Z’graggen (born 1966), Swiss political scientist and politician John Z'graggen (1932–2013), Swiss Catholic priest, linguist, and anthropologist Simone Zgraggen (born 1975), Swiss violinist and professor Yvette Z'Graggen (1920–2012), Swiss writer and translator