Tamuning, also known as Tamuning-Tumon-Harmon (Chamorro: Tamuneng), is a village located on the western shore of the United States territory of Guam.

Its central location along Marine Corps Drive, the island's main thoroughfare, has aided in its development.

[5] Beside the tourist district of Tumon, Tamuning is home to the Guam Premier Outlets, one of three major shopping centers of the island.

[19][20] The United States Postal Service operates the Tamuning Post Office at 143 Edward T. Calvo Memorial Parkway.

Tamuning averages roughly 2,300 mm (91 in) of precipitation annually, while maintaining relatively consistent temperatures throughout the course of the year.

[24] Five countries maintain consulates in Tamuning,[25] four of which are located in the landmark Guam ITC building at 590 South Marine Corps Drive.