| Shōnen Gahōsha | |
| Native Name: | 株式会社少年画報社 |
| Native Name Lang: | ja |
| Romanized Name: | Kabushiki-gaisha Shōnen Gahōsha |
| Type: | KK |
| Industry: | Publishing |
| Founded: | October 1945 |
| Hq Location City: | Chiyoda, Tokyo |
| Hq Location Country: | Japan |
| Area Served: | Japan |
| Key People: | Isao Imai |
| Products: | Books, manga, magazines |
| Num Employees: | 40 |
is a Japanese publisher named for Shōnen Gaho ("Boy's Illustrated News Magazine"), one of its first magazines. Founded in 1945, it previously published driving manuals and English conversation guides. Now it is known for magazines such as biweekly seinen manga Young King, the monthly manga serials Young King OURs and Monthly Young King. Its longtime flagship manga weekly for boys, (1963–1988), is now defunct. Its current president is Isao Imai.