Rubroshorea pinanga is a tree in the family Dipterocarpaceae, native to Borneo.
The species was first described as Shorea pinanga by Rudolph Scheffer in 1870. The specific epithet pinanga is derived from a local name for the species. In 2022 Peter Shaw Ashton and Jacqueline Heckenhauer placed the species in genus Rubroshorea as R. pinanga.
Rubroshorea pinanga grows up to tall, with a trunk diameter of up to . It has buttresses up to tall. The brown to pinkish bark is initially smooth, later becoming cracked and flaky. The leathery leaves are elliptic to ovate and measure up to long. The inflorescences bear pink flowers.
Rubroshorea pinanga is endemic to Borneo. Its habitat is mixed dipterocarp forests, to elevations of .
Shorea pinanga has been assessed as least concern on the IUCN Red List. Although the species population is declining, it is still considered abundant. The species is used for its timber. It occurs in a number of protected areas.