Miss World USA 1971 was the 10th edition of the Miss World USA pageant, held in the Hampton Roads Coliseum in Hampton, Virginia, and was won by Karen Brucene Smith of Texas. She was crowned by outgoing titleholder Sandra Wolsfeld of Illinois. Smith went on to represent the United States at the Miss World 1971 Pageant in London later that year. She finished as fifth runner-up at Miss World. She later won Miss American Beauty 1974 (Miss U.S. International 1974) and competed in and later won Miss International 1974.
The Miss World USA 1971 delegates were:
Contestants who competed in other beauty pageants: