The 2003 Rugby World Cup was played in Australia between 10 October and 22 November 2003.

Pool A

Australia

Head coach: Eddie Jones

Ireland

Head coach: Eddie O'Sullivan

Argentina

Head coach: Marcelo Loffreda

Romania

Head coach: 🇫🇷 Bernard Charreyre

Namibia

Head coach: 🇳🇿 David Waterston

Pool B

France

Head coach: Bernard Laporte France called up lock Thibaut Privat as a replacement for Olivier Brouzet, who suffered a dislocated shoulder in their quarter-final against Ireland.

Scotland

Head coach: Ian McGeechan

Fiji

Head coach: 🇳🇿 Mac McCallion

United States

Head coach: Tom Billups

Japan

Head coach: Shogo Mukai

Pool C

England

England announced their 30-man squad for the tournament on 7 September 2003. Danny Grewcock suffered an injury mid-tournament and was replaced by Simon Shaw on 3 November. Head coach: Clive Woodward

South Africa

Head coach: Rudolf Straeuli

Samoa

Head coach: 🇳🇿 John Boe

Uruguay

Head Coach: Diego Ormaechea Lock Leonardo de Oliveira was replaced by José Viana on 24 September 2003, due to a back injury.

Georgia

Head coach: 🇫🇷 Claude Saurel

Pool D

New Zealand

Head coach: John Mitchell 1 Ben Atiga replaced Ben Blair following a mid-tournament injury.

Wales

Head coach: 🇳🇿 Steve Hansen

Italy

Head coach: 🇳🇿 John Kirwan

Canada

Head coach: 🇦🇺 David Clark

Tonga

Head coach: 🇳🇿 Jim Love