Sandamu is a Local Government Area in Katsina State, Nigeria. Its headquarters are in the town of Sandamu on the A2 highway in the north of the area at12°57′37″N8°21′44″E / 12.96028°N 8.36222°E / 12.96028; 8.36222. it have three traditionl districts 1. Sandamu district headed by Alh Zakari Sani Zakari [Bunturawan Daura 2, Fago district headed by Ambasador [Magajin Rafin Daur 3. Rijiyar Tsamiya district headed by Alh Yusuf sani Manzo [Sarkin Fulanin Daura. it comprises Eleven  political wards namely, Sandamu, Fago A, Fago B, Rade A, Rade B, Daneji A, Daneji B, katsayal, kagare, karkarku, kwasarawa.
It has an area of 1418 km² and a population of 137,287 at the 2006 census.