Indiana University is the flagship campus of the Indiana University system. It is also known as "Indiana University Bloomington," "Indiana," or simply IU, and is located in Bloomington, Indiana.

IU has 110 academic programs ranked in the nation's top 20. Twenty-nine graduate programs and four colleges at Indiana University are ranked among the top 25 in the country in the US News & World Report's Best Graduate Schools 2001-2002. Time magazine named Indiana University its "2001 College of the Year" among major research universities. Newsweek named Indiana University "the hottest big state school in the nation" in 2005. Indiana is one of 60 members of the Association of American Universities, the leading American research universities. According to The Public Ivies: America's Flagship Public Universities (2001) by Howard and Matthew Greene, Indiana University is one of America's "Public Ivy" institutions of higher education, defined by the authors as a public institution that "provides an Ivy League collegiate experience at a public school price." The university's intercollegiate athletic program boasts 25 national championship teams (including seven in soccer, six in swimming and five in basketball) and 133 individual national championships (including 79 in swimming and 31 in track and field).