The Collaborative International Dictionary of English v.0.48:

Dardanian \Dar*da"ni*an\, a. & n.[From L. Dardania, poetic name
   of Troy.]
   Trojan.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Dardanian
    n 1: a native of ancient Troy [syn: Trojan, Dardan,
         Dardanian]