| Sanyo-Onoda City University | |
| Native Name: | 山陽小野田市立山口東京理科大学 |
| Established: | 1987 |
| Type: | Public |
| President: | Yuji Nagasaka |
| Address: | 1-1-1, Daigakudori |
| City: | San'yō-Onoda |
| State: | Yamaguchi |
| Country: | Japan |
| Postalcode: | 756-0884 |
| Language: | Japanese |
is a public university in San'yō-Onoda, Yamaguchi, Japan. The school was first established as a junior college in 1987. It became a four-year college in 1995.