A. calceata

A. calceata may refer to:
 * Aa calceata, species of orchid in the genus Aa
 * Autosticha calceata, moth in the family Autostichidae
 * Argyra calceata, species of flies in the family Dolichopodidae
 * Allopiophila calceata, species of small flies in the family Piophilidae