Idaho State University (ISU) is a public research university in Pocatello, Idaho, United States. Founded in 1901 as the Academy of Idaho, Idaho State offers more than 250 programs at its main campus in Pocatello and locations in Meridian, Idaho Falls, and Twin Falls. It is classified among "R2: Doctoral Universities – High research activity ".

More than 12,000 students attend Idaho State, with 57 percent of enrollment female and 43 percent male. The student-teacher ratio at Idaho State is 13:1 and 58 percent of students take classes full-time.