Chickamauga is several things:

• Chickamauga (people), a Native American nation
• Chickamauga, Georgia
• The American Civil War Battle of Chickamauga
• "The Rock of Chickamauga" a nickname for Gen. George Henry Thomas, from his service in the Battle of Chickamauga
• "Chickamauga," a short story inspired by the battle, by American author Ambrose Bierce
• "Chickamauga: The Confederacy's Last Hope", an Origins Award-winning board wargame
• Chickamauga Lake, which was created by the Tennessee Valley Authority