| Isabela State University | |
| Motto: | "University of people and nature" |
| Type: | Public Regional State University |
| Academic Affiliations: | Association of Accredited Chartered Colleges and Universities of the Philippines |
| Chairperson: | Dr. Marita R. Canapi |
| President: | Dr. Ricmar P. Aquino |
| City: | Echague |
| State: | Isabela |
| Country: | Philippines |
| Coordinates: | 16.7218°N 121.6922°W |
| Pushpin Map: | Luzon mainland#Philippines |
| Pushpin Map Caption: | Location in Luzon##Location in the Philippines |
| Free Label: | Newspaper |
| Free: | The Forum Publication |
| Colors: | Green, Brown and Yellow |
Isabela State University is a public university in the province of Isabela, Philippines. It is mandated to provide advanced instruction in the arts, agricultural and natural sciences as well as technological and professional fields.[1] The main campus is located in Echague, Isabela.[2]