Ukamenia sapporensis is a moth in the Tortricidae family. It was described by Matsumura in 1931. It is found in Japan (Hokkaido, Honshu) and the Russian Far East. The wingspan is 10.5-14.5 mm. The ground colour of the forewings is dark grey with a rosy-red costal patch, a bluish metallic mark, a series of metallic spots and ochreous-brown streaks. The hindwings are brownish grey. Larvae have been recorded feeding on Hamamelis japonica, Vaccinium oldhami, Quercus mongolica and Castanea crenata.