Nahua may refer to:
- Nahua peoples, certain indigenous peoples of Mexico and Central America, with native languages and dialects related to Nahuatl
- Nahuatl, their language
- Nahuan languages another word for the "Aztecan" subgroup of the Uto-Aztecan languages
- Nahuatl dialects, subgrouping of Uto-Aztecan languages, including as well as Pipil and Pochutec
- Yora language, a language of Peru also known as Nahua