Maruoka, Fukui

 was a town located in Sakai District, Fukui Prefecture, Japan.
As of 2003, the town had an estimated population of 32,575 and a density of 303.42 persons per km². The total area was 107.36 km².
On March 20, 2006, Maruoka, along with the towns of Sakai (former), Harue and Mikuni (all from Sakai District), was merged to create the city of Sakai.