Gulick is a surname, originally of Dutch origin, as 'van Gulick'. Notable people with the surname include:
Amy Gulick, American photographerBill Gulick (1916–2013), American writer and historianCharles T. Gulick (1841–1897), Hawaiian Kingdom politicianDenny Gulick, American mathematicianEsther Gulick (1911–1995), American environmentalistFrances Gulick (1891–1936), American YMCA workerJ. T. Gulick (1832–1923), American missionary and naturalistLuther Gulick (disambiguation), multiple peopleMerle Gulick (1906–1976), American football playerPeter Johnson Gulick (1796–1877), American missionarySidney Gulick (1860–1945), American missionary