OAD
OAD stands for:
- Offenbach Archival Depot, central collection point in the American occupation zone for archival and library 1946-1948
- On Air design, the visual appearance of a TV station or program
- Oral antidiabetic medication used to treat diabetes mellitus
- Ordo Augustiniensium Discalceatorum, Augustinian Discalceaten, a Catholic men's religious
- Original Animation DVD 's, DVD's, which are published as supplements to manga volumes, see original video animation
- Disambiguation
- Abbreviation