Duncan Cameron Fraser (1 October 1845 – 27 September 1910) was a Canadian lawyer, politician, judge, and the ninth Lieutenant Governor of Nova Scotia.He was born in Pictou County, Nova Scotia, the son of Alexander Fraser and Ann Chisholm. He studied at Dalhousie College, went on to article in law, was admitted to the bar in 1873 and set up practice in New Glasgow. He married Bessie Grant Graham in 1878. In the same year, he ran unsuccessfully for a seat in the provincial assembly.