This is a list of people associated with the American Civil War. See also the list of American Civil War topics.
Confederate States Army
- Anderson, Joseph Reid, (1813-1892), Brigadier General, owned Tredegar Iron Works
- Armistead, Lewis Addison, Brigadier General
- Barlow, William P., Lieutenant, Guibor's Battery, Missouri State Guard
- Barton, Seth M., Brigadier General, Commanding, Barton's Brigade, consisting of 40th, 42nd, 43rd, and 52nd Georgia Infantries, and Detachment of Botetourt Virginia Artillery
- Beall, William N.R., (1825-1883), Brigadier General
- Beauregard, Pierre G.T., (1818-1893), general, commanded firing on Fort Sumter
- Benavides, Santos, (1823-1891), Colonel (Texas)
- Borland, Solon, (1808-1864), Brigadier General
- Breckenridge, John C., (1821-1875), Major General
- Buckner, Simon Bolivar Sr., (1823–1914), Major General, Commanding, Army of East Tennessee
- Cabell, William L., (1827-1911), Brigadier General
- Chalmers, James R., (1831–1898), Brigadier General
- Churchill, Thomas J., (1824-1905), Major General
- Clark, John Bullock Sr., Brigadier General, Commanding, 3rd Division, Missouri State Guard
- Cleburne, Patrick R., (1828-1864), Major General
- Cockrell, Francis brigadier general, later a United States Senator
- Dockery, Thomas P., (1833-1898), Brigadier General
- Early, Jubal A., (1816-1894), Lieutenant General
- Evans, Clement A., (1833-1911), Brigadier General
- Evans, Nathan G., (1824-1868), Brigadier General
- Fagan, James F., (1827-1893), Major General
- Forrest, Nathan B., (1821-1877), cavalry general
- Gentles, Henry, Corporal, Company K, 3rd Louisiana Infantry Regiment
- Gordon, John B., (1832-1904), Major General, later a U.S. Senator, railroad executive, and Governor of Georgia
- Govan, Daniel C., (1829-1911), Brigadier General
- Gratiot, John, Colonel, Commanding, 3rd Arkansas State Infantry Regiment
- Greer, Elkanah, Colonel, Commanding, South Kansas–Texas Cavalry Regiment
- Guibor, Henry, Captain, Commanding, Guibor's Battery, Missouri State Guard
- Hanson, Roger, (–1863), Brigadier General, mortally wounded at Murfreesboro, Tennessee, on January 2, 1863, died two days later
- Hawthorn, Alexander T., (1825-1899), Brigadier General
- Hébert, Louis, Colonel, Commanding, 3rd Louisiana Infantry Regiment
- Hill, Ambrose P., (1825-1865), Lieutenant General
- Hill, Daniel H., (1821-1889), Major General
- Hindman, Thomas C., (1828-1868), Major General
- Huger, Benjamin, (1805-1877), Major General
- Hunton, Eppa, (1822-1908), Brigadier General, later a U.S. Senator from Virginia
- Imboden, John D., (1823–1895), Brigadier General, Virginia politician
- Jackson, Cummins, ( -)
- Jackson, Thomas J. "Stonewall", (1824-1863), Lieutenant General
- James, Frank, (1843-1915), guerilla fighter
- James, Jesse W., (1847-1882), guerilla fighter
- Johnson, Bushrod R., (1817-1880), Major General
- Johnston, Albert Sidney, (1803-1862), general, killed at Shiloh
- Johnston, Joseph E., (1807-1891), Full General
- Jones, William E., ( -1864), Brigadier General
- Lane, James H., (1833-1907), Brigadier General
- Law, Evander M., (1836–1920), Brigadier General
- Lee, Robert E., (1807-1870), Commander of all Confederate armies
- Lee, Stephen D., (1833-1908), Lieutenant General, the youngest Confederate with that rank
- Longstreet, James, (1821-1904), Lieutenant General
- Mahone, William, (1826-1895), Major General
- McBride, James H., Bridagier General, Commanding, 7th Division, Missouri State Guard
- McCulloch, Benjamin, Brigadier General, Commanding, McCulloch's Brigade, and Commanding, all Southern Forces at Wilson's Creek
- McGuire, Hunter, (1835–1900), Brigade surgeon, doctor for Stonewall Jackson
- McIntosh, James, Colonel, Commanding, 2nd Arkansas Mounted Rifles
- McNair, Evander, (1820-1902), Brigadier General
- McRae, Dandridge, (1829-1899), Bridgadier General, Commanding, McRae's Arkansas Infantry Battalion
- Mitchel, Ormsby M., (1809-1862), Major General
- Morgan, John Hunt, Brigadier General, Commanding, 2nd Cavalry Brigade, 3rd Division, Department of East Tennessee
- Mosby, John S. (1833 - 1916), Colonel, guerrilla leader
- Parsons, Mosby M., Brigadier General, Commanding, 6th Division, Missouri State Guard
- Pearce, Nicholas Bartlett, Brigadier General, Commanding, 1st Division, Army of Arkansas, and Commanding, all Arkansas State Forces
- Pemberton, John C., (1814–1881), Lieutenant General, Commanding, Department of Mississippi and Eastern Louisiana
- Pickett, George E., (1825-1876), Major General, commander of 'Pickett's Charge'
- Pike, Albert, (1809-1891), Brigadier General, also an attorney, writer, and Freemason
- Polk, Leonidas, (1806-1864), Lieutenant General, cousin of U.S. President James K. Polk
- Price, Sterling, (1809-1867), Major General
- Rains, James S., Brigadier General, Commanding, 2nd Division, Missouri State Guard
- Roane, John Selden, (1817-1867), Major General
- Ruggles, Daniel, (1810–1897), Major General
- Rust, Albert, (1818-1870), Brigadier General
- Slack, William Y., Brigadier General, Commanding, 4th Division, Missouri State Guard
- Smith, Edmund Kirby, (1824–1893), General
- Smith, Martin L., Major General, Commanding, 2nd Military District, including Vicksburg, Mississippi, until 30 December 1862
- Stevenson, Carter L., Major General, Commanding, 2nd Military District, including Vicksburg, Mississippi, after 30 December 1862, succeeding Martin L. Smith
- Stuart, James E.B., ( - ), cavalry general
- Tappan, James C., (1825-1906), Brigadier General
- Taylor, Walter H., (1838–1916), Lieutenant colonel, Senator
- Van Dorn, Earl, (1820–1863), Major General, Commanding, Army of the West and Trans-Mississippi District
- Vaughn, John C., Brigadier General, Commanding, Vaughn's Brigade, consisting of 60th, 61st, and 62nd Tennessee Infantries
- Vigilini, John, Captain, Commanding, Company K, 3rd Louisiana Infantry Regiment
- Watson, William, Sergeant, Company K, 3rd Louisiana Infantry Regiment
- Woodruff, William E., Captain, Commanding, Woodruff's Battery (also known as Pulaski Battery, Arkansas State Troops)
Confederate States Civilians
- Booth, John Wilkes, (1838-1865), assassin of Abraham Lincoln
- James, Frank, (1843-1915), claimed to have been present at the Battle of Wilson's Creek-- likely a member of a Clay County company in the 5th Division, Missouri State Guard
- Mudd, Samuel A., (1833-1883), physician, assisted John Wilkes Booth
- Quantrill, William C. (1837-1865), leader of Quantrill's Raiders
- Younger, Cole, (1844-1916), guerilla fighter
Confederate States Navy
- Brown, Isaac N., (1817-1889), Captain of CSS Arkansas
- Read, Charles W., (1840-1890), Confederate raider
- Semmes, Raphael, (1809-1877), Admiral, Captain of CSS Alabama
- Wood, John T., (1830-1904), Captain of CSS Tallahassee
Confederate States Political Leaders
- Benjamin, Judah P., (1811-1884), Attorney General, Secretary of War, Secretary of State
- Breckenridge, John C., (1821-1875), Secretary of War
- Davis, Jefferson F., (1808-1889), President of the Confederate States
- Stephens, Alexander (1812-1883), Vice-President of the Confederate States
United States Army
- Adams, Charles F. Jr., Brigadier General
- Ames, Adelbert, (1835-1933), Major General
- Aplin, Henry H., (1841-1910), Second Lieutenant
- Armstrong, Samuel Chapman, (1839-1893), Brigadier General, white commander of a colored regiment
- Asboth, Alexander, Brigadier General, Commanding, 2nd Division, Army of the Southwest
- Baker, Edward D., (1811-1861), Colonel, U.S. Rep. from Illinois, Senator from Oregon, close friend of Abraham Lincoln, killed at the Battle of Ball's Bluff
- Blair, Frank P., Jr., (1821–1875), Major General, Commanding, 1st Brigade
- Jeremiah T. Boyle, Brigadier General, Commanding, District of Western Kentucky
- Brinton, Daniel G., (1837-1899), surgeon in charge of the U.S. Army general hospital at Quincy, Illinois
- Burnside, Ambrose E., (1824-1881), Major General, commander of the Army of the Potomac
- Butler, Benjamin Franklin, (1818–1893), Major General, USV, Congressman, Governor of Massachusetts
- Canby, Edward Richard Sprigg, ( -1873), Major General
- Chamberlain, Joshua, (1828–1914), Major General
- Curtis, Samuel R., (1805–1866), Brigadier General, Commanding, Army of the Southwest
- Custer, George A., (1839-1876), cavalry Major General
- Custer, Thomas W., (1845-1876), cavalry Lieutenant
- Davis, Jefferson C., (1828–1879), Brigadier General, USV, Commanding, 3rd Division, Army of the Southwest
- Doubleday, Abner, (1819-1893), Major General
- Ellet, Charles R., (1843-1863), Colonel
- Fremont, John C., (1813-1890), Major General
- Garfield, James A., (1831-1881), Major General, 20th U.S. President
- Grant, Ulysses S., (1822-1885), Lieutenant General, commander of all US armies
- Grierson, Benjamin H., (1826-1911), Brigadier General
- Halleck, Henry Wager, (1815–1872), Major General, Commanding, Western Department, Headquartered in St. Louis, Missouri
- Hancock, Winfield Scott, Major General
- Harney, William S., (1800-1889), Brigadier General
- Harrison, Benjamin, (1833-1901), Brigadier General, 23rd U.S. President
- Hobson, Edward H., (1825–1901), Brigadier General, Commanding, 2nd Brigade, 3rd Division, XXIII Army Corps
- Hooker, Joseph, (1814-1879), Major General, commander of the Army of the Potomac
- Howard, Oliver O., (1830–1909), Brigadier General, USV, Army of the Potomac
- Hovey, Charles Edward, (1827–1897), Brigadier General, Commanding, 2nd Brigade, consisting of 25th and 31st Iowa Infantries, the 3rd, 12th, and 17th Missouri Infantries, the 76th Ohio Infantry, and Company F of the 2nd Missouri Light Artillery
- Hunter, David, (1803-1888), General
- Kearny, Philip, (1815–1862), Major General
- King, Rufus, (1814-1876) General
- Love, John, (1820–1881), Brigadier General
- Lyon, Nathaniel, (1818-1861), Brigadier General, the first Union general killed in the war
- Manson, Mahlon D., (1820–1895), Brigadier General, Commanding, 1st Brigade, 3rd Division, XXIII Army Corps
- Meade, George G., (1815-1872), Major General, commander of the Army of the Potomac, US leader at Gettysburg
- McClellan, George B., (1826-1885), Major General, commander of the Army of the Potomac
- Miles, Nelson A., (1839–1925), Major General, USV
- Morgan, George Washington, (1820–1893), Brigadier General, Commanding, 3rd Division, consisting of 1st Brigade, consisting of 118th Illinois Infantry, 69th Indiana Infantry, and 120th Ohio Infantry
- McClernand, John A., (1812–1900), Major General, USV, appointed to command Army of the Mississippi, Department of the Tennessee, on 4 January 1863
- McPherson, James B., (1828-1864), Major General, died at the Battle of Atlanta
- Palmer, William J., (1836-1909), General
- Pope, John, (1822-1892), Major General
- Rosecrans, William S., (1819-1898), Major General
- Scott, Winfield, (1786-1866), General-In-Chief
- Sedgwick, John, (1813-1864), Major General
- Shaw, Robert G., (1837-1863), Colonel, white commander of colored 54th Massachusetts Regiment, killed at Battle of Ft. Wagner
- Sheridan, Philip H., (1831-1888), cavalry General
- Sherman, William T., (1820-1891), general, marched to the sea
- Sickles, Daniel, (1825-1914), Major General
- Sigel, Franz, (1824–1902), Brigadier General, Commanding, 1st and 2nd Divisions, Army of the Southwest
- Smith, Andrew J., (1815–1897), Brigadier General, Commanding, 1st Division, consisting of Company C, 4th Indiana Cavalry as Escort, 1st and 2nd Brigades and Artillery
- Smith, Morgan L., (1822–1874), Brigadier General, Commanding, 2nd Division, consisting of 1st and 4th Brigades until being wounded and succeeded by Brigadier General David Stuart
- Smith, William F., (1824-1903), Major General
- Steele, Frederick, (1819–1868), Major General
- Stone, Charles P., (1824-1887), Brigadier General
- Porter, Fitz John, (1822–1901), Major General, USV
- Sumner, Edwin V., (1797-1863), Major General, oldest field commander of any Army Corps on either side
- Swallow, Silas C., (1839-1930), Lieutenant
- Thayer, John M., (1820–1906), Major General, USV
- Thomas, George H., (1816-1870), Major General, known as 'The Rock of Chickamauga'
- Vincent, Strong, (1837-1863), Brigadier General, hero of the Battle of Little Round Top at Gettysburg, where he was mortally wounded
- Wadsworth, James S., (1807-1864), Major General
- Wallace, Lew, (1827-1905), General
- Wallace,W.H.L. (1821-1862) Brigadier General
- Wright, Horatio G., (1820–1899), Major General, Commanding, Department of the Ohio
United States Civilians
- Barton, Clara, (1821-1912), nurse
- Brown, John, (1800-1859), abolitionist
- Douglass, Frederick, (1818-1895), abolitionist
- Ericsson, John, (1803-1889), designer of USS Monitor
- Garrison, William L., (1805-1879), abolitionist
- Greeley, Horace, (1811-1872), publisher of New York Tribune
- Howe, Julia Ward, (1819-1910), writer of the Battle Hymn of the Republic
- Nightingale, Florence, (1820-1910), inspired US Sanitary Commission
United States Navy
- Dahlgren, John A., (1809-1870), Admiral, head of Ordnance Department
- Farragut, David G., (1801-1870), Admiral, commander of West Gulf Blockading Squadron
- Porter, David D., (1813–1891), Admiral, one of the most noted naval heroes of the war
United States Political Leaders
- Chase, Salmon P., (1808-1873), Secretary of the Treasury
- Johnson, Andrew, (1808-1875), Vice President of the United States
- Lincoln, Abraham, (1809-1865), President of the United States
- Murphy, Isaac, (1799-1882), Governor of Arkansas, first Lincoln reconstruction Governor
- Taney, Roger, (1777-1864), Chief Justice of the Supreme Court