A vireo is a small passerine bird.
Vireo may also refer to:
Vireo (genus), genus of the vireo birds Vickers Vireo, an experimental 1920s aircraft , a minesweeper laid down in 1918 by the Philadelphia Navy Yard , a minesweeper laid down as AMS-205 in 1953 at the Bellingham Shipyards Vireo Records, a record label that was a division of Sparrow Corporation Visual Resources for Ornithology (VIREO), a large online repository of bird photographs at the Academy of Natural Sciences of Drexel University