This is a list of the costliest land battles of the American Civil War, measured by casualties (killed, wounded, captured, and missing) on both sides.

Highest casualty battles Battle Campaign Date Nearest town Total Union Confederacy TotalTotal Strength Commander CasualtiesCasualties as % of strength Gettysburg Gettysburg campaign –3, 1863 Gettysburg, Pennsylvania 93,921 71,699165,620 George G. Meade Robert E. Lee 23,049 28,063 51,11224.54%39.14%30.86% Chickamauga Chickamauga campaign –20, 1863 Fort Oglethorpe, Georgia 60,000 65,000125,000 William Rosecrans Braxton Bragg 16,173 18,450 34,62426.95%28.38%27.70% Spotsylvania Court House Overland Campaign –21, 1864 Spotsylvania Courthouse, Virginia 100,000 52,000152,000 Ulysses S. Grant Robert E. Lee 18,399 12,687 31,08618.40%24.40%20.45% Chancellorsville Chancellorsville campaign –4, 1863 Chancellorsville, Virginia 133,868 60,298194,166 Joseph Hooker Robert E. Lee 17,197 13,303 30,50012.85%22.06%15.71% The Wilderness Overland Campaign –7, 1864 Locust Grove, Virginia 101,895 61,025162,920 Ulysses S. Grant Robert E. Lee 17,666 11,033 28,69917.34%18.08%17.62% Stones River(Murfreesboro) Stones River campaign  – January 2, 1863 Murfreesboro, Tennessee 41,400 35,00076,400 William Rosecrans Braxton Bragg 12,906 11,739 24,64531.17%33.54%32.26% Shiloh(Pittsburg Landing) Federal penetration up the Cumberland and Tennessee Rivers –7, 1862 Shiloh, Tennessee 66,812 44,699111,511 Ulysses S. Grant Albert Sidney Johnston 13,047 10,699 23,74619.53%23.94%21.29% Antietam(Sharpsburg) Maryland campaign Sharpsburg, Maryland 75,500 38,000113,500 George B. McClellan Robert E. Lee 12,401 10,316 22,71716.43%27.15%20.01% 2nd Bull Run(2nd Manassas) Northern Virginia campaign –30, 1862 Manassas, Virginia 62,000 50,000112,000 John Pope Robert E. Lee 10,000 8,300 18,30016.13%16.60%16.34% Fredericksburg Fredericksburg campaign –15, 1862 Fredericksburg, Virginia 114,000 72,500186,500 Ambrose Burnside Robert E. Lee 12,653 5,377 18,03011.10%7.42%9.67% Cold Harbor Overland Campaign – June 12, 1864 Mechanicsville, Virginia 108,000 59,000167,000 Ulysses S. Grant Robert E. Lee 12,737 4,595 17,33211.79%7.79%10.38% 2nd Petersburg Richmond–Petersburg campaign –18, 1864 Petersburg, Virginia 62,000 38,000100,000 Ulysses S. Grant Robert E. Lee 11,386 4,000 15,38618.36%10.53%15.39% Gaines's Mill Peninsula campaign Mechanicsville, Virginia 34,214 57,01891,232 George B. McClellan Robert E. Lee 6,837 7,993 14,83019.98%14.02%16.26% Missionary Ridge Chattanooga campaign Chattanooga, Tennessee 56,359 44,010100,369 Ulysses S. Grant Braxton Bragg 5,824 6,667 12,49110.33%15.15%12.45% Atlanta Atlanta campaign Atlanta, Georgia 34,863 40,43875,301 William T. Sherman John Bell Hood 3,641 8,499 12,14010.44%21.02%16.12% Seven Pines(Fair Oaks) Peninsula campaign – June 1, 1862 Mechanicsville, Virginia 34,000 39,00073,000 George B. McClellan Joseph E. Johnston 5,031 6,134 11,16514.80%15.73%15.29% Nashville Franklin–Nashville campaign –16, 1864 Nashville, Tennessee 55,000 30,00085,000 George H. Thomas John Bell Hood 3,061 6,000 9,0615.57%20.00%10.66% Opequon (3rd Winchester) Sheridan's Valley campaign Winchester, Virginia 40,000 15,51455,514 Philip Sheridan Jubal Early 5,020 4,015 9,03512.55%25.88%16.28% Cedar Creek Sheridan's Valley campaign Middletown, Virginia 31,610 21,10252,712 Philip Sheridan Jubal Early 5,764 2,910 8,67418.23%13.79%16.46% Franklin Franklin–Nashville campaign Franklin, Tennessee 27,000 27,00054,000 John M. Schofield John Bell Hood 2,326 6,252 8,5788.61%23.16%15.89% Malvern Hill Peninsula campaign Varina, Virginia 54,000 55,000109,000 George B. McClellan Robert E. Lee 2,100 5,650 7,7503.89%10.27%7.11% 3rd Petersburg Richmond-Petersburg campaign Petersburg, Virginia 76,113 58,400134,513 Ulysses S. Grant Robert E. Lee 3,500 4,250 7,7504.60%7.28%5.76% Perryville Kentucky campaign Perryville, Kentucky 22,000 16,00038,000 Don Carlos Buell Braxton Bragg 4,276 3,401 7,67719.44%21.26%20.20% Glendale Peninsula campaign Varina, Virginia 40,000 45,00085,000 George B. McClellan Robert E. Lee 3,797 3,673 7,4709.49%8.16%8.79% 2nd Corinth Iuka and Corinth Operations –4, 1862 Corinth, Mississippi 23,000 22,00045,000 William S. Rosecrans Earl Van Dorn 2,520 4,233 6,75310.96%19.24%15.01% Peachtree Creek Atlanta campaign Atlanta, Georgia 21,655 20,25041,905 George H. Thomas John Bell Hood 1,710 4,796 6,5067.90%23.68%15.53% Champion Hill Vicksburg campaign Edwards, Mississippi 32,000 22,00054,000 Ulysses S. Grant John C. Pemberton 2,457 3,840 6,2977.68%17.45%11.66% The Crater Richmond-Petersburg campaign Petersburg, Virginia 8,500 6,10014,600 Ulysses S. Grant Robert E. Lee 3,798 1,491 5,28944.68%24.44%36.23% Fort Stedman Richmond-Petersburg campaign Petersburg, Virginia 14,898 10,00024,898 John G. Parke John B. Gordon 1,044 4,000 5,0447.01%40.00%20.26% South Mountain Maryland campaign Boonsboro, Maryland 28,000 18,00046,000 George B. McClellan Robert E. Lee 2,325 2,685 5,0108.30%14.92%10.89% 1st Bull Run(1st Manassas) Manassas campaign Manassas, Virginia 35,000 34,00069,000 Irvin McDowell P. G. T. Beauregard 2,896 1,982 4,8788.27%5.83%7.07%

See also

List of American Civil War battles Timeline of events leading to the American Civil War Bibliography of the American Civil War Bibliography of Ulysses S. Grant

Notes