| Monthly Shōnen Sirius | |
| Frequency: | Monthly |
| Circulation: | 8,917 (July–September, 2016) |
| Category: | Shōnen manga[1] |
| Publisher: | Kodansha |
| Firstdate: | May 2005 |
| Country: | Japan |
| Language: | Japanese |
is a Japanese monthly shōnen manga magazine published by Kodansha, and first issued in May 2005. It is issued in perfect-bound B5 format and retails for 580 yen. The magazine also serializes manga through their Twi Siri Twitter account.
| Title | Author | Premiered | |
|---|---|---|---|
| Bless | Yukino Sonoyama | 2023 | |
| Bootsleg | 2019 | ||
| Mugou no Schnell Gear | Yuzo Takada | 2019 | |
| That Time I Got Reincarnated as a Slime | Fuse (story) and Taiki Kawakami (art) | 2015 | |
| The Masterful Cat Is Depressed Again Today | Hitsuji Yamada | 2021 | |
| The Ride-On King | Baba Yasushi | 2018 | |
| Tower Dungeon | 2023 | ||
| Versus | One (story), Azuma Kyoutarou (art) and Bose (composition) | 2022 | |
| Yozakura Quartet | 2006 |