Tataltepec de Valdés is a town and municipality located in the state of Oaxaca in south-western Mexico. It is situated within the Juquila District, which lies in the center of the Costa Region.
The settlement was established approximately between 300 and 400 BC. The name "Tataltepec" translates to "Grandfather hill." Historically, the town is notable as the birthplace of Antonio Valdés, an early leader of the independence movement in Oaxaca who died on November 19, 1811.