A. flava

A. flava may refer to:
 * Aesculus flava, the yellow buckeye, common buckeye or sweet buckeye, a tree species native to the Ohio Valley and Appalachian Mountains of the Eastern United States
 * Anomis flava, the cotton looper, tropical anomis or white-pupiled scallop moth, a moth species
 * Antarcticimonas flava, a bacterium from the genus of Antarcticimonas
 * Arenivirga flava, a bacterium from the genus of Arenivirga