Yucca necopina Shinners, the Brazos River yucca, is a species in the family Asparagaceae. It is a rare endemic native to a small region in north-central Texas, in Somervell, Hood, Parker, and Tarrant Counties, west of Dallas and Fort Worth. The plant grows in small colonies of rosettes. Inflorescences are up to 120 cm tall, with pendulant greenish-white flowers. The species is similar to Y. pallida and Y. arkansana.