The '''Java Mouse-deer''' ('''''Tragulus javanicus''''')<ref name=msw3>{{cite web |url=http://www.bucknell.edu/msw3/browse.asp?id=14200129 |title=Tragulus javanicus |author= |date= |work=Mammal Species of the World |publisher= |accessdate=2010-03-11}}</ref> or '''napu'''', is a species of [[even-toed ungulate]] in the [[Tragulidae]] family. At maturity it is about the size of a [[rabbit]], making it one of the smallest [[ungulate]]s. It is found in forests in [[Java]] and perhaps [[Bali]].<ref name=iucn/> It formerly included the more widespread ''[[Lesser Mouse-deer|T. kanchil]]'' and the poorly known ''[[Williamson's Mouse-deer|T. williamsoni]]'' as a [[subspecies]].<ref>Meijaard, I. and Groves, C. P. (2004). ''A taxonomic revision of the Tragulus mouse-deer.'' Zoological Journal of the Linnean Society 140: 63-102.</ref>
