Japanese High School Baseball Championship 2013 Tournament 2013 Tournament

| Prefecture | City_Town | High_School_Name | Year_of_Previous_Participation | Total_Number_of_Participation |
|---|---|---|---|---|
| Hokkaido | Obihiro | Obihiro Otani | N/A | 1 |
| Hokkaido | Otaru | Hokusho | 2009 | 3 |
| Aomori | Hirosaki | Seiai | N/A | 1 |
| Iwate | Hanamaki | Hanamaki Higashi | 2010 | 7 |
| Akita | Akita | Akita Shogyo | 2010 | 17 |
| Yamagata | Yamagata | Nichidai yamagata | 2006 | 16 |
| Miyagi | Sendai | Sendai Ikuei | 2012 | 24 |
| Fukushima | Date | Seikou Gakuin | 2012 | 10 |
| Ibaraki | Tsuchiura | Joso Gakuin | 2012 | 15 |
| Tochigi | Utsunomiya | Sakushin Gakuin | 2012 | 9 |
| Gunma | Maebashi | Maebashi Ikuei | N/A | 1 |
| Saitama | Saitama | Urawa Gakuin | 2012 | 12 |
| Chiba | Kisarazu | Kisarazusogo | 2012 | 4 |
| Tokyo | Katsushika | Shutoku | 2004 | 5 |
| Tokyo | Machida | Nichidai-san | 2012 | 16 |
| Kanagawa | Yokohama | Yokohama | 2012 | 15 |
| Yamanashi | Yamanashi | Hikawa | 2009 | 4 |