| 3rd Iowa Light Artillery Battery | |
|---|---|
 3rd Iowa Light Artillery Battery flag | |
| Active | September 24, 1861 – October 23, 1865 |
| Disbanded | October 23, 1865 |
| Country |  United States |
| Allegiance | Union |
| Branch | Artillery |
| Size | Battery |
| Nickname(s) | Dubuque Battery |
| Engagements | American Civil War |
| Commanders | |
| Captain | Mortimer M. Hayden Melvil C. Wright Orlo H. Lyon |
| Lieutenant | W.H. McClure H.H. Weaver O.G. Day J.J. Dengl W.H. Gilford W.H. Crozier Jervine Bradley Leroy S. House Charles S. Martin D.U. Lee R. McFate |
The 3rd Iowa Light Artillery Battery was a light artillery battery from Iowa that served in the Union Army between September 24, 1861, and October 23, 1865, during the American Civil War.