| Men's doubles | |
|---|---|
| 2001 AIG Japan Open Tennis Championships | |
| Champions |  Rick Leach  David Macpherson |
| Runners-up | Paul Hanley Nathan Healey |
| Final score | 1–6, 7–6(8–6), 7–6(7–4) |
Mahesh Bhupathi and Leander Paes were the defending champions but did not compete that year.
Rick Leach and David Macpherson won in the final 1–6, 7–6(8–6), 7–6(7–4) against Paul Hanley and Nathan Healey.
The top five seeded teams received byes into the second round.
Todd Woodbridge 
Thomas Shimada / 
Myles Wakefield (quarterfinals) Rick Leach / David Macpherson (champions) John-Laffnie de Jager / Robbie Koenig (quarterfinals)
Simon Aspelin / Andrew Kratzmann (second round) Brent Haygarth / 
Sjeng Schalken (first round) Justin Gimelstob / Scott Humphries (first round) Johan Landsberg / Jack Waite (first round)
Byron Black / Neville Godwin (semifinals)| Semifinals | Final | ||||||||||||
| 7 | 6 | ||||||||||||
| 9 | 5 | 2 | |||||||||||
| 6 | 66 | 64 | |||||||||||
| 3 | 1 | 78 | 77 | ||||||||||
| 3 | 6 | 6 | |||||||||||
| 3 | 1 | ||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | 3 | 2 | |||||||||||||||||||||||||
| 3 | 6 | 0 | 6 | 6 | |||||||||||||||||||||||
| 6 | 3 | 6 | 6 | 6 | |||||||||||||||||||||||
| 6 | 6 | 4 | 4 | ||||||||||||||||||||||||
| WC | 2 | 3 | 3 | 2 | |||||||||||||||||||||||
| 77 | 6 | 6 | 6 | ||||||||||||||||||||||||
| 6 | 65 | 1 | 7 | 6 | |||||||||||||||||||||||
| 9 | 5 | 2 | |||||||||||||||||||||||||
| 4 | 4 | 6 | 6 | ||||||||||||||||||||||||
| WC | 61 | 6 | 1 | 6 | 3 | 2 | |||||||||||||||||||||
| 77 | 4 | 6 | 4 | 63 | 3 | ||||||||||||||||||||||
| WC | 6 | 4 | 6 | 9 | 77 | 6 | |||||||||||||||||||||
| WC | 3 | 6 | 4 | WC | 1 | 3 | |||||||||||||||||||||
| 0 | 2 | 9 | 6 | 6 | |||||||||||||||||||||||
| 9 | 6 | 6 | |||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | 1 | 4 | |||||||||||||||||||||||||
| 6 | 6 | 4 | 6 | 3 | |||||||||||||||||||||||
| WC | 5 | 61 | 6 | 3 | 6 | ||||||||||||||||||||||
| 7 | 77 | 5 | 62 | ||||||||||||||||||||||||
| 4 | 4 | 3 | 7 | 77 | |||||||||||||||||||||||
| 6 | 6 | 65 | 4 | ||||||||||||||||||||||||
| 3 | 77 | 6 | |||||||||||||||||||||||||
| 3 | 6 | 6 | |||||||||||||||||||||||||
| 7 | 3 | 711 | 1 | 3 | 1 | ||||||||||||||||||||||
| 6 | 69 | 6 | 64 | 6 | 78 | ||||||||||||||||||||||
| 6 | 7 | 77 | 4 | 66 | |||||||||||||||||||||||
| 3 | 5 | 3 | 6 | 6 | |||||||||||||||||||||||
| 65 | 3 | 2 | 6 | 3 | 3 | ||||||||||||||||||||||
| 77 | 6 | 2 | 6 | 4 | |||||||||||||||||||||||
| 2 | 6 | 4 | 6 | ||||||||||||||||||||||||
Todd Woodbridge and Mark Woodforde were the defending champions but lost in the quarterfinals to Goran Ivanišević and Diego Nargiso.
John Fitzgerald and Anders Järryd were the defending champions but lost in the semifinals to Neil Broad and Gary Muller.
Petr Korda and Wally Masur were the defending champions but they competed with different partners that year, Korda with Jim Pugh and Masur with Mark Kratzmann.
Grant Connell and Patrick Galbraith were the defending champions but did not compete that year.
John Fitzgerald and Anders Järryd were the defending champions but lost in the first round to Jonathan Canter and Bruce Derlin.
Rick Leach and David Macpherson were the defending champions but lost in the semifinals to Jan-Michael Gambill and Graydon Oliver.
Mark Knowles and Daniel Nestor were the defending champions but lost in the second round to Joshua Eagle and Andrew Florent.
Karsten Braasch and Michael Stich were the defending champions, but Stich retired after the 1997 season and Braasch played with Jens Knippschild, but lost in the first round
Ellis Ferreira and Rick Leach won the final 4–6, 6–4, 7–6 against John-Laffnie de Jager and Marc-Kevin Goellner.
Jonas Björkman and Jacco Eltingh were the defending champions, but Eltingh did not compete this year.
Björkman teamed up with Patrick Rafter, and they won the title defeating the first-seeded Indian team of Mahesh Bhupathi and Leander Paes in the final, 6–3, 4–6, 6–4, 6–7(10–12), 6–4. This would be Rafter's only grand slam doubles title.
Patrick Galbraith and Kelly Jones were the defending champions, but did not participate together this year. Galbraith partnered Todd Witsken, losing in the quarterfinals. Jones partnered Rick Leach, losing in the first round.
Jim Grabb and Richey Reneberg were the defending champions, but lost in the final this year.
John Fitzgerald and Anders Järryd were the defending champions, but lost in the semifinals this year.
Steve DeVries and David Macpherson were the defending champions, but lost in the first round this year.
Jim Courier and Javier Sánchez were the defending champions, but lost in the second round this year.
Ellis Ferreira and Rick Leach were the defending champions, but lost in the third round this year.
Todd Woodbridge and Mark Woodforde were the three-time defending champions, but retired from their second round match this year.
Luis Lobo and Javier Sánchez were the defending champions, but lost in the second round to Tomás Carbonell and Francisco Roig.
Scott Melville and Piet Norval were the defending champions, but competed this year with different partners. Melville teamed up with Rick Leach and lost in second round to Marc-Kevin Goellner and Tom Kempers, while Norval teamed up with Gary Muller and lost in first round to Wayne Arthurs and Neil Broad.
Patrick Galbraith and Paul Haarhuis were the defending champions, but Haarhuis did not compete this year. Galbraith teamed up with Ellis Ferreira and lost in second round to Trevor Kronemann and David Macpherson.
Scott Davis and Jacco Eltingh were the defending champions, but Eltingh did not compete this year. Davis teamed up with David Pate and lost in the first round to Brian Devening and Jaime Oncins.
