| Number of Americans killed | Battle Name | Conflict |
| 26,277 killed | |
| 19,276 killed | |
| 16,293 killed | |
| 12,513 killed | |
| Over 12,000 killed | |
| 7,863 killed (3,155 Union and 4,708 Confederacy | |
| 7,100 killed | |
| 7,000 killed | |
| 5,538 killed | |
| 4,808 killed (2,108 Union and 2,700 Confederacy | |
| 4,599 killed | |
| 4,192 killed (2,725 Union and 1,467 Confederacy) | |
| 3,969 killed (1,657 Union and 2,312 Confederacy) | |
| 3,741 killed (2,246 Union and 1,495 Confederacy) | |
| 3,482 killed (1,754 Union and 1,728 Confederacy) | |
| | Number of Americans killed | Battle Name | Conflict |
| 3,271 killed (1,606 Union and 1,665 Confederacy) | |
| 2,949 killed | |
| 2,572 killed | |
| 2,500 killed | |
| 2,000 killed | |
| 1,811 killed | |
| 1,794 killed | |
| 1,747 killed, | |
| 1,677 killed | |
| 1,465 killed | |
| 1,029 killed | |
| 1,010 killed | |
| Over 1,000 killed | |
| 922 killed | |
| 737 killed | |
|