Jef (ジェフ沖縄株式会社 jefu okinawa kabushiki gaisha, Jef Okinawa Co., Ltd.) is a fast-food chain on Okinawa Island, with five restaurants in and around Naha (Yonabaru, Tomigusuku, Nishihara). They sport a menu featuring many homebrewn Okinawan specialties such as the Nūyaru burger and the Gōyā burger, hamburgers with a filling of SPAM and bitter melon omelet. They also have fried gōyā rings, similar to onion rings, and gōyā juice. Besides these more exotic offerings they also have normal ham- and cheeseburgers. The first restaurant was open on January 29, 1986.