Nemadji is an unincorporated community in Barnum Township, Carlton County, Minnesota, United States.

Carlton County Roads 8 and 11 are two of the main routes in the community.

Nemadji is located six miles east-southeast of Barnum and nine miles east-northeast of Moose Lake.

A post office was established at Nemadji in 1912, and remained in operation until it was discontinued in 1953.

This article about a location in Carlton County, Minnesota is a stub.