Selaserica sinharajana is a species of beetle of the family Scarabaeidae. It is found in Sri Lanka.
Adults reach a length of about 7.5âÂÂ7.8 mm. They have a reddish brown, oval body, with yellow antennae. The dorsal surface is shiny and glabrous, with some setae on the elytra.
The species name refers to the type locality, the Sinharaja Jungle.