| Unit Name: | 4th Kansas Militia Infantry Regiment |
| Dates: | October 9 - October 29, 1864 |
| Allegiance: | Union |
| Branch: | Infantry |
| Type: | Militia |
| Size: | Regiment |
| Battles: | American Civil War |
| Disbanded: | October 29, 1864 |
The 4th Kansas Militia Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 4th Kansas Militia Infantry was called into service on October 9, 1864. It was disbanded on October 29, 1864.
The unit was called into service to defend Kansas against Maj. Gen. Sterling Price's raid. The regiment saw action at Byram's Ford, Big Blue, October 22. Westport October 23. Mine Creek, Little Osage River, Marias des Cygnes, October 25.