Cinnamomum paiei is a species of tree in the laurel family (Lauraceae).

It is endemic to Borneo.

It is a tree growing to 12 metres tall, with a trunk up to 20 cm in diameter.

[3] It is known only from Sarawak (Bau, Sri Aman, and Tatau districts).

It grows in mixed dipterocarp forest on sandy clay soil up to 850 metres elevation.