1st Michigan Infantry Regiment

1st Michigan Infantry Regiment may refer to:


 * 1st Michigan Infantry Regiment (3 Months), existed in 1861
 * 1st Michigan Infantry Regiment (3 years), existed 1861-1865
 * 1st Michigan Sharpshooters Regiment, existed 1863-1865
 * 1st Michigan Colored Volunteer Infantry Regiment, existed 1864-1865