Wild Boar Fell is a mountain in the Yorkshire Dales National Park, Mallerstang on the eastern edge of Cumbria, England. At 708m, it is either the 4th highest fell in the Yorkshire Dales or the 5th, depending on whether nearby High Seat (709 m) is counted or not.
The nearest high point is Swarth Fell which is a mile-long (1.5 km) ridge to the south, at . To the east, on the opposite side of the narrow dale, are High Seat and Hugh Seat.