Ilex wallichii is a plant in the family Aquifoliaceae, native to Southeast Asia. It is named for the Danish botanist Nathaniel Wallich.
Ilex wallichii grows as a shrub or tree up to 18m (59feet) tall. Its smooth bark is white or grey. The leathery leaves are obovate to elliptic to oblong and measure up to long. The inflorescences, in cymes, feature greenish-white flowers. The fruits are dark red.
Ilex wallichii is native to an area from Myanmar to Borneo. In Borneo, it is found in kerangas and peat swamp forests, at elevations to .