Aadi (Hindi: आदि; alternative spelling: Aadhi) is an Indian male given name originating from the Sanskrit language. Aadi means First, beginning or initial in Sanskrit. Some people in India use it as a short name for Aditya, but now people have started using it as a complete name. Aadi or Aadhi or AADI may also refer to:
- Aadi, the fourth month of the Tamil calendar
- Aadi (album), a 2005 album by the Syrian singer Asalah Nasri
- Aadi (film), a Telugu film released in 2002
- Aadhi, a Tamil film released in 2006 starring Vijay and Trisha.
- Aadhi Lakshmi, a Telugu film released in 2006
- Aadhi Bhagavan, a Tamil film released in 2012.
- Aadi, a Telugu film actor.
- Aadhi, a Tamil film actor.
- AADI, association of musical interpreters in Argentina, founded in 1957