T. exigua may refer to:
Tasiocera exigua, a crane fly Tetragnatha exigua, a stretch spider Teladoma exigua, a cosmet moth Thelymitra exigua, a sun orchid Thermochrous exigua, an insect with intrinsic mouthparts Tremella exigua, a French fungus Trivia exigua, a false cowry