AIAI or Aiai may refer to:

• Artificial Intelligence Applications Institute, a non-profit technology transfer organisation at the University of Edinburgh, 1983-2019
• Artificial Intelligence and its Applications Institute, a research institute in the School of Informatics at the University of Edinburgh, 2019-
• al-Itihaad al-Islamiya, a Somali Islamist group
• AiAi, a character in the Super Monkey Ball video game series