Azara microphylla, the boxleaf azara, is a species of flowering plant in the willow family Salicaceae, native to Chile and Argentina. Growing to 10 m, it is a small, upright, evergreen tree or large shrub. It has small, shiny, very dark green leaves and tiny, vanilla-scented flowers in winter. It is the hardiest of the azaras, withstanding temperatures down to , but in cooler temperate regions requires some protection from cold winds. It also tolerates full shade.

The specific epithet microphylla means "small-leaved". The leaves are no more than long.

This plant has gained the Royal Horticultural Society´s Award of Garden Merit.