Martletwy is the name of an electoral ward in Pembrokeshire, Wales.[1] It is bordered to the west by the River Cleddau and includes three communities within its boundaries, namely Llawhaden, Martletwy, and Uzmaston, Boulston and Slebech. The ward elects a councillor to Pembrokeshire County Council.
According to the 2011 UK Census the population of the ward was 1,970.[2]