Lycoming O-580

Lycoming O-580 can refer to:


 * Lycoming GSO-580, a 1950s era, geared supercharged, eight-cylinder airplane and helicopter engine, including the SO-580 and VSO-580 series.
 * Lycoming IO-580, a 1997 direct drive, six-cylinder airplane engine, including the AEIO-580 aerobatic engine.