Desmond R. Tuiavi'i (born Apia, 14 January 1970) is a Samoan former rugby union player.
He had five international caps for Samoa in 2003, being his first against Ireland, at Apia, on 20 June 2003.
He played three matches in the 2003 Rugby World Cup, against Uruguay, England and South Africa.
Desmond now lives in Noordwijk, the Netherlands, and is coach of the Bassets Under 18 in Sassenheim.
This biographical article relating to Samoan rugby union is a stub.