was a town located in Usui District, Gunma Prefecture, Japan.

As of 2003, the town had an estimated population of 16,556 and a density of 94.58 persons per km2. The total area was 175.05 km2.

On March 18, 2006, Matsuida was merged into expanded city of An'naka.

External links Matsuida Branch Office of City of Annaka