Loranger is a surname. Notable people with the surname include:
Del Loranger (1920–2003), American basketball player and coach Diane Loranger (1920–2004), Canadian geologist and paleontologist Louis-Onésime Loranger (1837–1917), Canadian lawyer, politician and judge Thomas-Jean-Jacques Loranger (1823–1885), Canadian judge and politician
See also Loranger, Michigan, a former community Edward Loranger House