A. penangiana

A. penangiana may refer to:
 * Abacopteris penangiana, a synonym for Menisciopsis penangiana, a fern species
 * Acampe penangiana, a synonym for Acampe rigida, an orchid species
 * Alstonia penangiana, a plant species endemic to Malaysia
 * Atuna penangiana, a plant species endemic to Malaysia