Tantoyuca is a municipality in the Mexican state of Veracruz. It is located in the state's Huasteca Alta region. The municipal seat is Tantoyuca, Veracruz.
In the 2005 INEGI Census, the municipality reported a total population of 97,949 (up from 89,492 in 1995), of whom 23,893 lived in the municipal seat. Of the municipality's inhabitants, 40,864 (47.92%) spoke an indigenous language, primarily Wastek (Huasteco).
The municipality of Tampico Alto covers a total surface area of 1,205.84 km<sup>2</sup>.