Office of AIDS Research, part of the United States National Institutes of Health

Original aspect ratio

Of A Revolution, an American rock band

Oar, a tool used for rowing a boat

Marina Municipal Airport (IATA code: OAR), an airport in Marina, California

Oar (Skip Spence album), a psychedelic/folk album by musical artist Skip Spence

Order of Augustinian Recollects, a Roman Catholic monastic order of men and women

Once a Runner, a book by John L. Parker Jr.