French ship Astrolabe

Three French ships have borne the name Astrolabe, after the instrument astrolabe:
 * The Astrolabe of Jean-François de Galaup, comte de La Pérouse (1781), a converted fluyt
 * The Astrolabe of Jules Dumont d'Urville (1817), a converted horse-carrying fluyt
 * The Astrolabe (1986), an icebreaker built as Fort Resolution and renamed in 1988