Warner Leroy Baxter (Columbus, Ohio, 29 de març de 1889 - Beverly Hills, Califòrnia, 7 de maig de 1951) va ser un actor estatunidenc. Començà la seva carrera d'actor al teatre el 1910 interpretant vodevils. Va obtenir l'Oscar al millor actor el 1929 pel paper de Cisco Kid a In Old Arizona d'Irving Cummings & Raoul Walsh.

Warner Leroy Baxter (March 29, 1889 – May 7, 1951) was an American film actor from the 1910s to the 1940s. Baxter became known for his role as The Cisco Kid in the 1928 film In Old Arizona for which he won the Academy Award for Best Actor at the 2nd Academy Awards. He frequently played womanizing, charismatic Latin bandit types in westerns, and played The Cisco Kid or a similar character throughout the 1930s, but had a range of other roles throughout his career.