Frederick Hasselborough, whose surname is also spelled Hasselburgh and Hasselburg, was an Australian sealer from Sydney who discovered Campbell (4 January 1810) and Macquarie Islands (11 July 1810).
On 4 November 1810, Hasselborough drowned in Perseverance Harbour when the jolly boat he was travelling in capsized in the wind. A woman and boy in the same boat were also killed while three men survived. Hasselborough's body was not recovered.