P. spectabilis may refer to:

Pazinotus spectabilis, a sea snail species Penstemon spectabilis, a flowering plant species Phasmahyla spectabilis, a frog species Pimelea spectabilis, a shrub species Pitcairnia spectabilis, a flowering plant species Polygrammodes spectabilis, a moth species

Synonyms Pachyne spectabilis, a synonym of Phaius tancarvilleae, an orchid species Phrynopus spectabilis, a synonym of Pleurodema marmoratum, a frog species Poecilichthys spectabilis, a synonym of Etheostoma spectabile, the orangethroat darter, a fish species