Goldsack is a surname. Notable people with the surname include:
Drew Goldsack (born 1981), Canadian cross country skier Elsie Goldsack Pittman (1904–1975), English tennis player George MacDonald Goldsack (1902–1969), British businessman Jennifer Goldsack (born 1982), American rower Tyson Goldsack (born 1987), Australian rules football player William Goldsack (1871–1957), Australian Baptist missionary