Arm River

Arm River may refer to:

Rivers

 * Arm River (Saskatchewan), Saskatchewan
 * Arm River (Tasmania), a tributary of Mersey River (Tasmania), Australia

Places

 * Rural Municipality of Arm River No. 252, a rural municipality in Saskatchewan
 * Arm River (electoral district), a provincial electoral district in Saskatchewan
 * Arm River-Watrous, a provincial electoral district in Saskatchewan
 * Regina—Arm River, the former name of the federal electoral district Regina—Lumsden—Lake Centre, Saskatchewan