Kuzu, Tochigi

 was a town located in Aso District, Tochigi Prefecture, Japan.
As of 2003, the town had an estimated population of 12,011 and a density of 131.04 persons per km². The total area was 91.66 km².
On February 28, 2005, Kuzū, along with the town of Tanuma (also from Aso District), was merged into the expanded city of Sano.