Plants in the worldwide Olive Family (Oleaceae) are perennial shrubs, subshrubs, trees, and woody vines (lianas) with a variety of leaf types (opposite or alternate, simple or compound), flowers with 0 or 4 petals, 0 or 4 sepals, and a superior ovary, and fruit in the form of a capsule, fleshy drupe, or winged samara.

Listed below are some of the southeastern Arizona plants in this family.