T. nanus may refer to: Taoniscus nanus, the Dwarf Tinamou, a bird species Trimmatom nanus, a marine fish species Turnix nanus, the Black-rumped Buttonquail, a bird species Tylognathus nanus, a synonym for Hemigrammocapoeta nana, a ray-finned fish species found in Israel, Jordan and Syria
See also Nanus (disambiguation)