The 2005 mid-year rugby union tests (also known as the Summer Internationals in the Northern Hemisphere) refers to the Rugby union Test matches played during between May and July in 2005. It will coincide with the 2005 British & Irish Lions tour to New Zealand, playing a 3-test tour against New Zealand. Wales toured North America, playing against Canada and the United States, while Ireland played two tests against Japan.
Scotland played one test against Romania due to the Lions tour, while Italy played two tests against Argentina and a single test against Australia. France toured South Africa for two tests before playing a single test against Australia. Ahead of the Lions series, New Zealand played Fiji as a warm-up, while Australia warmed-up against Samoa ahead of the French and Italian clashes. In addition to these two tier 2 sides, Japan played Argentina and Uruaguy losing both matches before the Irish test series.
| Tour | Result | Winners |
|---|---|---|
| New Zealand v British & Irish Lions test series | 3–0 |  New Zealand |
| South Africa v France test series | 1–0 |  South Africa |
| Japan v Ireland test series | 0–2 |  Ireland |
| Argentina v Italy test series | 1–1 | Drawn |
| Team/Tour | Opponents |
|---|---|
| Barbarians tour |  Scotland (L) –  England (W) |
| Welsh tour |  United States (W) –  Canada (W) |
| Japan tour |  Uruguay (L) –  Argentina (L) |
| 16 April 2005 16:00 UYT (UTC-3) |
| Uruguay | 24–18 |  Japan |
| Try: Dugonjic Castillo (3) Con: Castillo (2/2) | Report [1] | Try: Loamanu Ohata Con: Morita (1/2) Pen: Morita (1) Drop: Morita (1) |
| Estadio Luis Franzini, Montevideo Attendance: 5,000 Referee: Leonardo Borghi (Argentina) |
| 23 April 2005 15:00 ART (UTC-03) |
| Argentina | 68–36 | Japan |
| Try: Albina Ayerza Bosch Genoud (2) Higgs (2) Leguizamón Penalty try Con: J. F. Miranda (2) Todeschini (5) Pen: Todeschini (3) | Report [2] | Try: Motoki Ohata Onozawa Tachikawa Con: Morita (2/4) Pen: Morita (3) Drop: Morita (1) |
| Buenos Aires Cricket & Rugby Club, Buenos Aires Attendance: 5,000 Referee: Dave Pearson (England) |
| 23 May 2005 20:00 BST (UTC+01) |
| British & Irish Lions | 25–25 | Argentina |
| Try: Smith Con: Wilkinson (1/1) Pen: Wilkinson (6) | Report [3] | Try: Núñez Piossek Con: Todeschini (1/1) Pen: Todeschini (6) |
| Millennium Stadium, Cardiff Attendance: 61,569 Referee: Stuart Dickinson (Australia) |
| 4 June 2005 15:00 EDT (UTC-04) |
| United States | 3–77 |  Wales |
| Report [6] |
| Rentschler Field, East Hartford, Connecticut Attendance: 8,027 Referee: Craig Joubert (South Africa) |
| 5 June 2005 19:00 EEST (UTC+03) |
Romania  | 19–39 | Scotland |
| Report [7] |
| Stadionul Dinamo, Bucharest Attendance: 3,000 Referee: Dave Pearson (England) |
| 10 June 2005 19:10 NZST (UTC+12) |
| New Zealand | 91–0 |  Fiji |
| Try: Carter Howlett (2) Mauger Mealamu Muliaina Sivivatu (4) Somerville So'oialo Umaga Williams Con: Carter (5) Mauger (3) | Report [8] |
| North Harbour Stadium, Auckland Attendance: 23,533 Referee: Nigel Whitehouse (Wales) |
| 11 June 2005 15:00 SAST (UTC+02) |
| South Africa | 134–3 | Uruguay |
| Report [9] |
| Basil Kenyon Stadium, East London Attendance: 9,800 Referee: Donal Courtney (Ireland) |
| 11 June 2005 15:00 AEST (UTC+10) |
Australia  | 74–7 |  Samoa |
| Report [10] |
| Stadium Australia, Sydney Attendance: 38,556 Referee: Lyndon Bray (New Zealand) |
| 11 June 2005 15:00 EDT (UTC-04) |
| Canada | 3–60 | Wales |
| Report [11] |
| York Stadium, Toronto Referee: Matt Goddard (Australia) |
| 11 June 2005 18:10 ART (UTC-03) |
| Argentina | 35–21 |  Italy |
| Try: Arbizu Todeschini Con: Todeschini (2/2) Pen: Todeschini (7) | Report [12] | Pen: Peens (6) Drop: Peens |
| Estadio Padre Ernesto Martearena, Salta Attendance: 20,000 Referee: Tappe Henning (South Africa) |
| 12 June 2005 14:13 JST (UTC+9) |
| Japan | 12–44 | Ireland |
| Report [13] |
| Nagai Stadium, Osaka Attendance: 12,108 Referee: Nigel Owens (Wales) |
| 17 June 2005 20:10 ART (UTC-03) |
| Argentina | 29–30 | Italy |
| Try: Bouza Stortoni Con: Todeschini (2/2) Pen: Todeschini (5) | Report [14] | Try: Canale Parisse Pez Con: Peens (3/3) Pen: Peens (3) |
| Estadio Mario Alberto Kempes, Córdoba Referee: Mark Lawrence (South Africa) |
| 18 June 2005 15:00 SAST (UTC+02) |
| South Africa | 30–30 |  France |
| Try: De Villiers Habana (2) Con: Montgomery (3/3) Pen: Montgomery (2) Drop: Montgomery | Report [15] | Try: Bonnaire Candelon Nyanga Papé Con: Élissalde (2/4) Pen: Élissalde (1) Drop: Michalak |
| Kings Park Stadium, Durban Attendance: 50,419 Referee: Alan Lewis (Ireland) |
| 19 June 2005 14:06 JST (UTC+9) |
| Japan | 18–47 | Ireland |
| Report [16] |
| Chichibunomiya Rugby Stadium, Tokyo Attendance: 14,913 Referee: Nigel Whitehouse (Wales) |
| 25 June 2005 15:00 SAST (UTC+02) |
| South Africa | 27–13 | France |
| Try: De Villiers Habana (2) Con: Montgomery (3/3) Pen: Montgomery (2) | Report [17] | Try: Michalak Con: Michalak Pen: Michalak Yachvili |
| EPRU Stadium, Port Elizabeth Attendance: 35,000 Referee: Donal Courtney (Ireland) |
| 25 June 2005 15:00 AEST (UTC+10) |
| Australia | 69–21 | Italy |
| Try: Chisholm Giteau Gregan Lyons Paul Sailor Rogers Tuqiri (4) Con: Giteau (6) Mortlock | Report [18] | Try: Bergamasco Lo Cicero Mannato Con: Peens (3/3) |
| Docklands Stadium, Melbourne Attendance: 26,520 Referee: Alan Lewis (Ireland) |
| 25 June 2005 19:00 NZST (UTC+12) |
| New Zealand | 21–3 | British & Irish Lions |
| Try: Sivivatu Williams Con: Carter (1/2) Pen: Carter (3) | Report [19] | Pen: Wilkinson (1) |
| Lancaster Park, Christchurch Attendance: 37,200 Referee: Joël Jutge (France) |
| 2 July 2005 14:00 MDT (UTC-06) |
| Canada | 22–15 | Argentina |
| Report [20] |
| Calgary Rugby Park, Calgary [21] Attendance: 2,173 Referee: Rob Dickson (Scotland) |
| 2 July 2005 AEST (UTC+10) |
| Australia | 37–31 | France |
| Try: Larkham Latham Paul Sailor Turinui (2) Con: Giteau Rogers Pen: Giteau | Report [22] | Try: Candelon Heymans Laharrague Traille Con: Élissalde (4/4) Pen: Élissalde (1) |
| Lang Park, Brisbane Attendance: 50,826 Referee: Nigel Williams (Wales) |
| 2 July 2005 19:00 NZST (UTC+12) |
| New Zealand | 48–18 | British & Irish Lions |
| Try: Carter (2) McCaw Sivivatu Umaga Con: Carter (4/5) Pen: Carter (5) | Try: Easterby Thomas Con: Wilkinson (1/2) Pen: Wilkinson (2) |
| Wellington Regional Stadium, Wellington Attendance: 39,800 Referee: Andrew Cole (Australia) |
| 9 July 2005 19:00 NZST (UTC+12) |
| New Zealand | 38–19 | British & Irish Lions |
| Try: Gear Smith Umaga (2) Williams Con: McAlister (5/5) Pen: McAlister (1) | Try: Moody Con: S. Jones (1/1) Pen: S. Jones (4) |
| Eden Park, Auckland Attendance: 48,533 Referee: Jonathan Kaplan (South Africa) |
| 9 July 2005 20:00 AEST (UTC+10) |
| Australia | 30–12 | South Africa |
| Try: Giteau (2) Larkham Mitchell Rogers Con: Giteau Pen: Giteau | Report [23] | Pen: Montgomery (4) |
| Stadium Australia, Sydney Attendance: 61,534 Referee: Kelvin Deaker (New Zealand) |
| 23 July 2005 15:00 SAST (UTC+02) |
| South Africa | 33–20 | Australia |
| Try: De Villiers Fourie Habana Con: Montgomery (3/3 Pen: Montgomery (4) | Report [24] | Try: Larkham Lyons Paul Con: Mortlock Pen: Giteau |
| Ellis Park Stadium, Johannesburg Attendance: 60,486 Referee: Steve Walsh (New Zealand) |