OAD
# OAD

Oad or OAD may refer to:

## Science and technology

* Auditory processing disorder or obscure auditory dysfunction (OAD), an auditory condition
* Object-oriented analysis and design, a software engineering approach
* Office of Astronomy for Development, an office of the International Astronomical Union
* Open Access Directory, founded by Peter Suber and Robin Peek
* Original Acquisition Disk, in digital forensics

## Other uses

* Original animation DVD, an anime release bundled with its source-material manga
* Oad (caste), a social group of South Asia
* Oad language, an Indo-Aryan language
* Oad Street, a hamlet in Kent, England
* Oad Swigart (1915–1997), American baseball player
* Ordo Augustiniensium Discalceatorum, a Catholic religious order
* Oxford American Dictionary
