Kilnafaddoge is a small townland in Athlone, County Westmeath, Ireland.^[1][2] The townland, which is 0.12 square kilometres (0.05 sq mi) in area, is in the civil parish of St. Mary's.^[3] As of the 2011 census, Kilnafaddoge contained no occupied houses and zero population.^[4]

The townland stands in the east area of Athlone town, with the M6 motorway passing to the north.^{[citation needed]}