| Unit Name: | 151st Indiana Infantry Regiment |
| Dates: | March 3 – September 19, 1865 |
| Country: |  United States |
| Allegiance: | Union |
| Branch: | Infantry |
| Size: | Regiment[1] |
| Garrison: | Nashville, Tennessee |
| Battles: | American Civil War |
| Disbanded: | September 19, 1865 |
| Commander1: | Joshua Healy[2] |
| Commander1 Label: | Colonel |
| Commander2: | John E. Sweet[3] |
| Commander2 Label: | Lt. Colonel |
| Commander3: | Michael Eagan[4] |
| Commander3 Label: | Major |
The 151st Indiana Infantry Regiment was an infantry regiment from Indiana that served in the Union Army between March 3 and September 19, 1865, during the American Civil War.
The regiment was recruited from the 9th district and organized at Indianapolis, Indiana, with a strength of 1,013 men.[5] It was mustered in on March 9, 1865,[6] and left Indiana for Nashville, Tennessee, on March 13, where it reported to General Lovell Rousseau.[7] On March 14, the regiment was ordered to Tullahoma, where it saw duty until June 14. The regiment was ordered to Nashville, and remained on garrison duty until early September. The regiment was mustered out on September 19, 1865.[8] [9] During its service the regiment incurred sixty fatalities, and another thirty-three men deserted.[10]