| Olympic Stadium | Heritage Zone | Opening and Closing Ceremonies, Athletics, Football | Opening and Closing Ceremonies, Athletics | 68000 |
| Tokyo Metropolitan Gymnasium | Heritage Zone | Table Tennis | Table Tennis | 7000 (6000 Paralympics) |
| Yoyogi National Stadium | Heritage Zone | Handball | Badminton, Wheelchair Rugby | 10200 |
| Nippon Budokan | Heritage Zone | Judo, Karate | Judo | 11000 |
| Tokyo International Forum | Heritage Zone | Weightlifting | Powerlifting | 5000 |
| Kokugikan Arena | Heritage Zone | Boxing | - | TBA |
| Equestrian Park | Heritage Zone | Equestrian (dressage, jumping, eventing) | Equestrian | 9300 |
| Musashino Forest Sport Plaza | Heritage Zone | Badminton, Modern Pentathlon (fencing) | Wheelchair Basketball | 7200 |
| Tokyo Stadium | Heritage Zone | Football, Modern Pentathlon (swimming, fencing, riding, laser-run), Rugby | - | 48000 |
| Musashinonomori Park | Heritage Zone | Cycling (road - start) | - | TBA |
| Ariake Arena | Tokyo Bay Zone | Volleyball (indoor) | Wheelchair Basketball | 15000 |
| Ariake Gymnastics Centre | Tokyo Bay Zone | Gymnastics | Boccia | 12000 |
| Ariake Urban Sports Park | Tokyo Bay Zone | Cycling (BMX freestyle, BMX racing), Skateboarding | - | 5000 / 6600 / 7000 |
| Ariake Tennis Park | Tokyo Bay Zone | Tennis | Wheelchair Tennis | 19900 (19400 Paralympics) |
| Odaiba Marine Park | Tokyo Bay Zone | Aquatics (marathon swimming), Triathlon | Triathlon | 5500 |
| Shiokaze Park | Tokyo Bay Zone | Beach volleyball | - | 12000 |
| Aomi Urban Sports Park | Tokyo Bay Zone | Basketball (3x3), Sport Climbing | Football 5-a-side | 7100 / 8400 (4300 Paralympics) |
| Oi Hockey Stadium | Tokyo Bay Zone | Hockey | - | 15000 |
| Sea Forest Cross-Country Course | Tokyo Bay Zone | Equestrian (eventing, cross-country) | - | 16000 |
| Sea Forest Waterway | Tokyo Bay Zone | Canoe-Kayak (sprint), Rowing | Canoe, Rowing | 12800 / 16000 (12800 Paralympics) |
| Kasai Canoe Slalom Centre | Tokyo Bay Zone | Canoe-Kayak (slalom) | - | 7500 |
| Yumenoshima Park Archery Field | Tokyo Bay Zone | Archery | Archery | 5600 |
| Tokyo Aquatics Centre | Tokyo Bay Zone | Aquatics (swimming, diving, artistic swimming) | Swimming | 15000 |
| Tatsumi Water Polo Centre | Tokyo Bay Zone | Aquatics (water polo) | - | 4700 |
| Makuhari Messe Hall A | Tokyo Bay Zone | Taekwondo, Wrestling | Sitting Volleyball | 10000 |
| Makuhari Messe Hall B | Tokyo Bay Zone | Fencing | Taekwondo, Wheelchair Fencing | 8000 (7000 Paralympics) |
| Makuhari Messe Hall C | Tokyo Bay Zone | - | Goalball | 5500 |
| Tsurigasaki Surfing Beach | - | Surfing | - | 6000 |
| Saitama Super Arena | - | Basketball | - | 21000 |
| Asaka Shooting Range | - | Shooting | Shooting | 3800 / 3000 |
| Kasumigaseki Country Club | - | Golf | - | 25000 |
| Enoshima Yacht Harbour | - | Sailing | - | 3600 |
| Izu Velodrome | - | Cycling (track) | Cycling (track) | 3600 |
| Izu MTB Course | - | Cycling (mountain bike) | - | 11500 |
| Fuji International Speed Way | - | Cycling (road - finish, individual time trial) | Cycling (road) | 22000 |
| Fukusihima Azuma Baseball Stadium | - | Baseball/Softball | - | 14300 |
| Yokohama Baseball Stadium | - | Baseball/Softball | - | 35000 |
| Sapporo Dome | - | Football | - | 41000 |
| Sapporo Odori Park | - | Athletics (marathon, race walk) | - | TBD |
| Miyagi Stadium | - | Football | - | 49000 |
| Ibaraki Kashima Stadium | - | Football | - | 40000 |
| Saitama Stadium | - | Football | - | 64000 |
| International Stadium Yokohama | - | Football | - | 72000 |
| Olympic / Paralympic Village | Tokyo Bay Zone | - | - | - |
| IBC/MPC Tokyo International Exhibition Center (Tokyo Big Sight) | Tokyo Bay Zone | - | - | - |
