| Native Name Lang: | ja |
| Nationality: | Japanese |
| Known For: | Log Horizon, Maoyū Maō Yuusha |
| Occupation: | Novelist |
,[1] better known as, is a Japanese author of light novels and manga. He has written the series Log Horizon and Maoyu, both of which have been adapted into anime. He is also the author of a manga series titled .
In 2015, Touno was charged with tax evasion for reportedly violating the Corporate Tax Law. Reports claim that Tōno: "allegedly failed to file 120 million yen (around US$996,438) in royalties from the printed versions of his Maoyu and Log Horizon novels for his income tax report in a three-year period ending the previous year. According to the prosecutor's office, Touno owes the Japanese government 30 million yen (around US$249,114) in taxes".[2] Some time after, Touno apologized to his fans and stated on his official website that he had filed his taxes, concluding the investigation.[3]