The 7th Battalion Mississippi Infantry was a unit in the Confederate States Army during the American Civil War, formed of volunteers from southern Mississippi.

[1] In September 1862 the 7th Battalion was mobilized and under General Martin E. Green took part in the Battle of Iuka.

[2] The 7th Battalion participated in the Second Battle of Corinth and the Siege of Vicksburg, where it was captured along with the rest of the Confederate garrison.

The remnants of the 7th Battalion were ordered to Mobile, Alabama in February, 1865, and surrendered on April 8th, 1865 after the Battle of Spanish Fort.

Casualties reported by the 7th Battalion include 65 at Corinth, 50 at Vicksburg, 72 at Kennesaw Mountain, and 9 at the Chattahoochee River.