Kinghorn is a coastal parish, which lies in Fife Council Area, some 3 miles (4 km) southwest of Kirkcaldy and 8 miles (12 km) south of Glenrothes in Fife and includes a small offshore island.
It is located in the old county of Fife, which disappeared following the Local Government (Scotland) Act 1974.
The parish has an area of 21.5 sq. km (8.3 sq. miles). Kinghorn has 4 neighbouring parishes; namely Aberdour, Auchtertool, Burntisland and Kirkcaldy & Dysart. The boundaries of this parish were modified among significant changes recommended by the Boundary Commissioners after the Local Government (Scotland) Act 1889.