Restaurants, using tabelog.com/okinawa and find many okinawa restaurants.
This 名護漁港水産物直販所（食堂）fish restaurant in Nago is open day time until 5pm only.
This is in Onna and seems like they can speak english and chinese.
名護市 燒肉乃我 新館 – there is an old one above a butcher shop on the main road nearby. There are many Chinese, Cantonese and Taiwanese go to this restaurant. I did not try the meat 'cos I don't eat beef and pork but my kids said very delicious. https://www.hotpepper.jp/strJ001135033/appearance/
はま寿司名護店 – This is the best in town and very cheap. Can be very crowded 'cos 90yen per dish during weekdays.
くら寿司名護店 – More people seem to like this 'cos the express line to delivery sushi dishes to your table.
あんあん 焼肉名護 – Taiwanese and Chinese's favourite
やざえもん 名護 – Inside Aeon in Nago
Lovely small drinking restaurant in Nago.
There are more places to eat in Kunigami Kun 国頭
Okinawa soba places:
道の駅 – Local farmers market
About Ogimi, to find out even more visiting spots.