Championship information:
- 2021 Division I Men's Basketball Tournament Information
- 2021 First Four Tournament Information
- 2021 March Madness Teamworks App Requirement Memo
- 2021 Championship Eligibility Waiver Process (Minimum Games)
- 2020-21 Uniform Requirement Memo
- Uniform Submission How To Guide
- Championships Travel Portal
- Championship Travel Policies
- 2021 Championship Travel Memo
- Sports Wagering Awareness Video
- Elite 90 Award Program
- Participation Award
2021 Tournament Schedule:
| 2021 Dates | Host(s) | Round | City, State | Venue |
|---|---|---|---|---|
| March 18 | Indiana University | First Four | Bloomington, IN | Simon Skjodt Assembly Hall |
| March 18 | Purdue University | First Four | West Lafayette, IN | Mackey Arena |
| March 19 & 20 | Ball State University | First Round | Indianapolis, IN | Banker Life Fieldhouse |
| March 19 & 20 | Butler University | First Round | Indianapolis, IN | Hinkle Fieldhouse |
| March 19 & 20 | Horizon League | First Round | Indianapolis, IN | Lucas Oil Stadium |
| March 19 & 20 | Indiana University | First Round | Bloomington, IN | Simon Skjodt Assembly Hall |
| March 19 & 20 | IUPUI | First Round | Indianapolis, IN | Indiana Farmers Coliseum |
| March 19 & 20 | Purdue University | First Round | West Lafayette, IN | Mackey Arena |
| March 21 & 22 | Ball State University | Second Round | Indianapolis, IN | Banker Life Fieldhouse |
| March 21 & 22 | Butler University | Second Round | Indianapolis, IN | Hinkle Fieldhouse |
| March 21 & 22 | Horizon League | Second Round | Indianapolis, IN | Lucas Oil Stadium |
| March 21 & 22 | IUPUI | Second Round | Indianapolis, IN | Indiana Farmers Coliseum |
| March 27 & 28 | Ball State University | Sweet Sixteen | Indianapolis, IN | Banker Life Fieldhouse |
| March 27 & 28 | Butler University | Sweet Sixteen | Indianapolis, IN | Hinkle Fieldhouse |
| March 29 & 30 | Horizon League | Elite Eight | Indianapolis, IN | Lucas Oil Stadium |
| April 3 & 5 | Horizon League/IUPUI | Final Four | Indianapolis, IN | Lucas Oil Stadium |