Microserica phanrangensis is a species of beetle of the family Scarabaeidae. It is found in Vietnam.
Adults reach a length of about 4.6âÂÂ5.7 mm. They have a broad, oval, moderately convex body. They are yellowish-brown with a dark head or uniformly blackish-brown. The surface is dull (partly with a greenish iridescent sheen) and glabrous, except for the legs and the anterior labroclypeus.