Longford (An Longfort in Irish) is the county town of County Longford in the Midlands of Ireland. According to the 2006 census, the town has a population of around 13,000. Approximately one third of the county's population resides in the town.

Longford town is the second largest town on the N4 National primary route between Dublin and Sligo. It is also the axis for the convergence of the N4 and the N5 primary routes which means that traffic travelling between Dublin and Counties Mayo and Roscommon passes through the town.