Montrouziera is a genus of shrubs to large trees in the family Clusiaceae, endemic to New Caledonia.

[1] As usual in the Clusiaceae, species of this genus are known to contain xanthonoids.

Montrouziera is related to the South American genus Platonia.

[2] Locally known as "houp", this genus was named after Xavier Montrouzier.

Montrouziera gabriellae is noted for bearing the largest endemic flower of New Caledonia.