Pinus engelmannii, commonly known as the Apache pine, is a tree of Northern Mexico, in the Sierra Madre Occidental with its range extending into the Southwestern United States.

This pine is a medium-sized species with a height of 20–30 metres (66–98 feet) and a trunk diameter of 35–80 centimetres (14–31 inches).

The needles, among the longest of any pine, are in bundles of three (occasionally five), 20–40 cm (8–16 in) long, stout, and spreading to slightly drooping.

The cones are 8–16 cm (3+1⁄4–6+1⁄4 in) long, green or purple when growing, maturing glossy brown, moderately oblique with stoutly spined scales on the outer side (facing away from the branch).

The English name refers to the species' occurrence in the lands of the Apache Native Americans, while the scientific name commemorates the pioneering American botanist George Engelmann who discovered the species in 1848.