Meenawannia is a townland located in the Barony of Boylagh, within the Civil Parish of Killybegs Lower and the Electoral Division of Glenties, County Donegal.

It spans an area of 1,096,574 square metres, which equates to approximately 0.42 square miles or 270 acres.

Meenawannia shares its borders with Doobin and Meenakilwirra to the east, Kilrean Upper and Meenachallow to the west, and Tullynaglaggan to the south.