Craighill is a surname. Notable people with the surname include:
Frank Craighill, one of the founding partners of the sports marketing firm ProServ John Millar, Lord Craighill (1817–1888), Scottish lawyer and judge Lloyd Craighill (1886–1971), American missionary to China, born in Lynchburg, Virginia Margaret D. Craighill (1898–1977), the first woman commissioned officer in the United States Army Medical Corps William Price Craighill (1833–1909), author, Union Army engineer in the American Civil War, and later served as Chief of Engineers
See also Craighill Channel Lower Range Front Light, named for William Price Craighill, was the first caisson lighthouse built in the Chesapeake Bay in Maryland Craighill Channel Lower Range Rear Light, one of a pair of range lights that marks the first section of the shipping channel into Baltimore harbor Craighill Channel Upper Range Front Light, one of a pair of range lights that marks the second section of the shipping channel into Baltimore harbor Craighill Channel Upper Range Rear Light, one of a pair of range lights that marks the second section of the shipping channel into Baltimore harbor