Numalgun Land District is a land district (cadastral division) of Western Australia, located within the Kimberley Land Division in the Kimberley region of the state.

The district is located inland in the Shire of Wyndham-East Kimberley and north-east of the Wunaamin-Miliwundi Ranges.

It contains most of the Gibb River Station.

Numalgun was gazetted on 13 June 1906.

This article about a location in Western Australia is a stub.