P. commutata may refer to:
Pachycondyla commutata, a ponerine ant Palustriella commutata, a leafy moss Phalaris commutata, a true grass Platysace commutata, a plant endemic to Australia Preissia commutata, a thallose liverwort Pteris commutata, a fern in which the frond margin is reflexed over the marginal sori Pterostylis commutata, a deciduous orchid Puccinia commutata, a plant pathogen