Xavier Joseph Rush (born 13 July 1977, in Auckland) is a former New Zealand rugby union footballer.

He is a former All Black number eight and second row, and played professional rugby in Wales for Cardiff Blues where he is the former captain.

Rush played domestic rugby with Auckland in the National Provincial Championship and Super 12 side the Blues between 1997 and 2005.

He later captained both of these sides until the end of his contract with New Zealand Rugby where he managed to lift the Ranfurly Shield with Auckland in 2003.

Despite a successful domestic rugby career, Rush never shone at international level, having only eight All Black test caps to his name.