During 1863 the regiment took part in the Tullahoma Campaign (June 22–July 7), including the Battle of Liberty Gap (June 22–24 and June 24–27), and the Chickamauga Campaign (August 16–September 22), including the Battle of Chickamauga (September 19–20). The regiment's casualties at Chickamauga were 21 dead, 81 wounded, and 20 missing. The 32nd Indiana also participated in the Chattanooga Campaign (September 24–November 23), including the fighting at Orchard Knob (November 23–24) and the Battle of Missionary Ridge (November 25). The regiment remained in eastern Tennessee until April 1864.