KOKU
City of license	Hagåtña, Guam
Broadcast area	Guam
Branding	Hit Radio 100
Slogan	"Guam's #1 Hit Music Station"; "Hit after hit, the most music!"
Frequency	100.3 MHZ
First air date	1980s
Format	Top 40 Mainstream
ERP	50,000 watts horizontal 49,700 watts vertical
HAAT	165 meters
Class	C1
Owner	Moy(lan) Communications
Website	http://www.hitradio100.com

KOKU (100.3 FM, "Hit Radio 100") is a radio station in the United States territory of Guam. The station, broadcasting in Hagåtña, airs a contemporary hit radio format.