The Little Valentine River (French: petite rivière Valentine)is a river in the Unorganized North Part of Cochrane District in northeastern Ontario, Canada.

[1][2][3][4][5] It is in the Moose River drainage basin, and is a right tributary of the Valentine River.

The Valentine River begins in an unnamed swamp in geographic Way Township[6] and flows west into geographic Irish Township.

[7] It turns northwest, enters geographic Stoddart Township,[8] and reaches its mouth at the Valentine River.

The Valentine River flows via the Pivabiska River, the Missinaibi River and the Moose River to James Bay.