| The College of Idaho (Caldwell) | The Women Coyotes The Men Coyotes |
| University of Idaho (Moscow) | The Women Vandals |
| Illinois College (Jacksonville) | The Blueboys and Lady Blues |
| Illinois State University (Normal) | The Women Redbird |
| Illinois Wesleyan University (Bloomington) | The Women Titan The Men Titan |
| University of Illinois, Champaign | The Women Fighting Illini |
| University of Illinois, Chicago | The Women Flames The Men Flames |
| Illinois Institute of Technology (Chicago) | The Women Scarlet Hawks The Men Scarlet Hawks |
| University of the Incarnate Word (San Antonio, Texas) | The Women Cardinals The Men Cardinals |
| Indian River State College (Ft. Pierce, Florida) | The Men and Women Pioneer |
| Indiana University, Bloomington | The Women Hoosier The Men Hoosier |
| Indiana University-Purdue University (Indianapolis, Indiana) | The Women Jaguars The Men Jaguars |
| Indiana University of Pennsylvania (Indiana, Pennsylvania) | The Women Crimson Hawks The Men Crimson Hawks |
| University of Indianapolis (Indianapolis, Indiana) | The Lady Greyhounds The Men Greyhounds |
| Iona College (New Rochelle, New York) | The Women Gaels The Men Gaels |
| University of Iowa, Iowa City | The Women Hawkeye The Men Hawkeye |
| Iowa Central Community College (Fort Dodge) | The Men and Women Triton |
| Iowa Lakes Community College (Estherville) | The Women Lakers The Men Lakers |
| Iowa State University (Ames) | The Women Cyclones |
| Ithaca College (Ithaca, New York) | The Women Bombers The Men Bombers |