Ryonggang County is a county in South P'yŏngan province, North Korea.

It is administered as a part of Namp'o Special City.

It is famous for its local apples.

Ryonggang-gun is divided into one town (ŭp) and 10 villages (ri): Ryonggang County is served by the P'yŏngnam and Ryonggang lines of the Korean State Railway.

This North Korea location article is a stub.