思茅松（学名：Pinus kesiya）是松科松属的一种植物。

常绿乔木，高可达30米。树皮为褐灰色，裂成龟纹状薄片；叶子细柔，三针一束，长10-22厘米；卵形球果，长5-6厘米，斜方形鳞盾，鳞脐小，隆起有短刺。

Pinus kesiya (Khasi pine, Benguet pine or three-needled pine) is one of the most widely distributed pines in Asia. Its range extends south and east from the Khasi Hills in the northeast Indian state of Meghalaya, to northern Thailand, Philippines, Burma, Cambodia, Laos, southernmost China, and Vietnam. It is an important plantation species elsewhere in the world, including in southern Africa and South America.