T. variabilis may refer to: Thamniochloris variabilis, an alga species in the genus Thamniochloris Tillandsia variabilis, a plant species native to Bolivia, Costa Rica, Mexico and the United States Tramitichromis variabilis, a fish species found in Malawi, Mozambique and Tanzania Trialeurodes variabilis, the papaya whitefly, an insect species in the genus Trialeurodes Typhula variabilis, a plant pathogen species