2003 Japan Golf Tour
The 2003 Japan Golf Tour season was played from 19 December 2002 to 7 December 2003. The season consisted of 29 official money events in Japan, as well as the four majors and the three World Golf Championships.
Tournament results
The following table shows all the official money events in Japan for the 2003 season. The number in parentheses after each winner's name is the number of Japan Golf Tour events he had won up to and including that tournament. This information is only shown for Japan Golf Tour members.| Date | Tournament | Prize fund | Winner | OWGR points |
| 22 Dec | Asia Japan Okinawa Open | 100,000,000 |  Hiroyuki Fujita | 12 |
| 6 Apr | Token Homemate Cup | 100,000,000 |  Andre Stolz | 16 |
| 27 Apr | Tsuruya Open | 100,000,000 | Hirofumi Miyase | 16 |
| 4 May | The Crowns | 120,000,000 | Hidemasa Hoshino | 16 |
| 11 May | Fujisankei Classic | 110,000,000 |  Todd Hamilton | 16 |
| 18 May | Japan PGA Championship | 110,000,000 | Shingo Katayama | 16 |
| 25 May | Munsingwear Open KSB Cup | 120,000,000 | Hirofumi Miyase | 16 |
| 1 Jun | Diamond Cup Tournament | 110,000,000 | Todd Hamilton | 16 |
| 8 Jun | JCB Classic Sendai | 100,000,000 | Katsuyoshi Tomori | 16 |
| 22 Jun | Mandom Lucido Yomiuri Open | 100,000,000 | Hideto Tanihara | 16 |
| 29 Jun | Gateway to the Open Mizuno Open | 100,000,000 | Todd Hamilton | 16 |
| 6 Jul | Japan Golf Tour Championship Shishido Hills Cup | 120,000,000 | Toshimitsu Izawa | 16 |
| 13 Jul | Woodone Open Hiroshima | 100,000,000 | Toshimitsu Izawa | 16 |
| 27 Jul | Sato Foods NST Niigata Open | 50,000,000 | Katsumasa Miyamoto | 16 |
| 3 Aug | Aiful Cup | 120,000,000 | Taichi Teshima | 16 |
| 10 Aug | Sun Chlorella Classic | 130,000,000 | Brendan Jones | 16 |
| 31 Aug | Hisamitsu-KBC Augusta | 100,000,000 | Soushi Tajima | 16 |
| 7 Sep | Japan PGA Match-Play Championship | 80,000,000 | Todd Hamilton | 16 |
| 14 Sep | Suntory Open | 100,000,000 |  Jyoti Randhawa | 16 |
| 21 Sep | ANA Open | 100,000,000 |  Yeh Wei-tze | 16 |
| 28 Sep | Acom International | 120,000,000 | Masahiro Kuramoto | 16 |
| 12 Oct | Georgia Tokai Classic | 120,000,000 | Nozomi Kawahara | 16 |
| 19 Oct | Japan Open Golf Championship | 120,000,000 | Keiichiro Fukabori | 32 |
| 26 Oct | Bridgestone Open | 110,000,000 | Naomichi Ozaki | 16 |
| 2 Nov | ABC Championship | 120,000,000 | Shingo Katayama | 16 |
| 16 Nov | Mitsui Sumitomo VISA Taiheiyo Masters | 150,000,000 | Kiyoshi Murota | 16 |
| 23 Nov | Dunlop Phoenix Tournament | 200,000,000 |  Thomas Bjørn | 20 |
| 30 Nov | Casio World Open | 140,000,000 | Katsumune Imai | 16 |
| 7 Dec | Golf Nippon Series JT Cup | 100,000,000 | Tetsuji Hiratsuka | 16 |
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