OIP may refer to:
*
Ohio Institute of Photography, US
*
Ovamboland Independence Party, later National Democratic Party, Namibia
*
Oil-for-Food Programme
The Oil-for-Food Programme (OIP) was established by the United Nations in 1995 (under UN Security Council Resolution 986) to allow Iraq to sell oil on the world market in exchange for food, medicine, and other humanitarian needs for ordinary I ...
, a former UN programme in Iraq
** Former
Office of the Iraqi Programme
*
× ''Oncidopsis'' (''Oip.''), an orchid nothogenus corresponding to ''Miltoniopsis'' × ''Oncidium''; see
× ''Burrageara''
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