Clethra longispicata is a tree in the family Clethraceae.

The specific epithet longispicata is from the Latin meaning 'long spike', referring to the inflorescence.

[2] Clethra longispicata grows up to 10 metres (30 ft) tall.

The roundish fruits measure up to 0.25 cm (0.1 in) in diameter.

[2] Clethra longispicata grows naturally in Borneo, the Philippines and Sulawesi.