The OPEC Basket is a weighted average of oil prices from the different OPEC members around the world. Members of the Organization of the Petroleum Exporting Countries (OPEC) contribute data that forms the basis of the basket. The basket is a benchmark, or reference point, for those monitoring the oil price and the stability of the global oil market.

The OPEC Basket is also known as the OPEC Reference Basket (ORB) or the OPEC Reference Basket of Crude.