Flag of Michigan
| Use | Civil and state flag |
|---|---|
| Proportion | 2:3 |
| Adopted | August 1, 1911 |
| Design | A state coat of arms on a blue field. |
| Designed by | Caroline Campbell |
| Flag of the governor of Michigan | |
| Use | Flag of the governor of Michigan |
| Adopted | August 1, 1911 |
| Design | Coat of arms of Michigan on a white field |
The flag of the U.S. state of Michigan is a coat of arms set on a dark blue field, as set forth by Michigan state law. As of 2025 Michigan has had three state flags, and the current flag was adopted on August 1, 1911. The governor has a variant of the flag with a white field instead of blue one. The state has an official flag month from June 14 through July 14.