This list of birds of Oklahoma includes species documented in the U.S. state of Oklahoma and accepted by the Oklahoma Ornithological Society's Bird Records Committee (OBRC). As of October 2017, there were 480 species on the official list. Of them, 106 are classified as accidental, seven have been introduced to North America, two are known to be extinct, and two others might be extinct. An additional 16 species are classed as either hypothetical or of uncertain origin; 13 of them are also classed as accidental.