Shorea angustifolia is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet angustifolia means 'narrow-leaved'.
Shorea angustifolia grows up to 40m (130feet) tall, with a trunk diameter of up to 900NaN0. It has buttresses. The flaky bark is greyish tan-coloured. The leathery leaves are ovate to lanceolate and measure up to 14cm (06inches) long. The inflorescences measure up to 10cm (00inches) long and bear up to eight cream flowers. The nuts are egg-shaped and measure up to 0.8cm (00.3inches) long.
Shorea angustifolia is endemic to Borneo. Its habitat is mixed dipterocarp forests at elevations of 500–.
Shorea angustifolia has been assessed as near threatened on the IUCN Red List. It is threatened by conversion of land for plantations, including for palm oil. It is also threatened by logging, sometimes for its timber. The species is found in some protected areas including national parks.