Xai, XAI or xAI may refer to:
- Explainable artificial intelligence, in artificial intelligence technology
- Xai-Xai, a city in the south of Mozambique
- XAI, the IATA airport code for Xinyang Minggang Airport, in Xinyang, China
- xai, the ISO 639-3 language code of Kaimbé language, an extinct language in Brazil.
- xAI (company), an American artificial intelligence company
