This is a list of known outlaws and others of the American frontier popularly known as the "Wild West". Because many of those listed have been wanted by authorites at one time or another such as former cattle rustler Wyatt Earp or Marshal turned outlaw Burt Alvord they have been separated into those groups of which they last acted.

See also outlaws, gunslingers, lawmen , wild west

Outlaws

• Burt Alvord (1866-1910?)
• Apache Kid (1867-1894?)
• "Billy the Kid" William Bonney [Henry McCarty] (1859-1881)
• Cullen M. Baker (1839-1868)
• "Rattlesnake" Dick Barker (1834-1859)
• Seaborn Barnes (1849?-1878)
• Black Bart [Charles E. Bolton] (1830-1917?)
• Sam Bass (1851-1878)
• Tom Bell (1825-1856)
• Jules Beni (18??-1861)
• John Billee (18??-1890)
• William B. Brocius "Curly Bill", (1857-1882)
• William L. Brooks "Billy", "Buffalo Bill", (C. 1849-1874)
• Rufus Buck (18??-1896)
• Harry Newton Brown (1857-1884)
• Hendry Brown (1850?-1884)
• Henderson Brumley
• Eugene Bunch "Captain Gerald" (1850?-1889)
• Rube Burrow (1856-1890)
• Matthew Burts (1878-1925)
• Frank M. Canton [Joseph Horner] (1849-1927)
• Butch Cassidy (1866-1937?)
• Dutch Charley (18??-1881)
• Cherokee Bill (1876-1896)
• "Dynamite Dick" Dan Clifton (1865?-1896?)
• Ned Christie (1867?-1892)
• Chunk Colbert (18??-1874)
• Brack Cornett (1859-1888)
• Juan Cortina (1824-1892)
• "Longhair" Jim Cortright (1845-1887)
• George Curry [George Manuse] "Big Nose George", (1841-1882)
• John Daly (1839-1864)
• Roy Daugherty "Arkansas Tom", (1871-1924)
• Jack Davis (1845?-1879?)
• Cornelius Donahue "Lame Johnny", (1850-1878)
• William Doolin "Bill", (18??-1895)
• Juan Flores (1835-1857)
• Frisco Sue (1853-18??)
• Dutch Henry (18??-c. 1930)
• Pearl Hart [Pearl Bywater] (1871-196?)
• Tom Ketchum "Black Jack", (1862-1901)
• Ed O. Kelly [Ed O'Kelly] (18??-1904)
• Frank Jackson (1856-1878?)
• Frank James (1843-1915)
• Jesse James (1847-1882)
• Johnny Behind the Deuse (1862-1882)
• Sundance Kid [Harry Longbaugh] (1863-1911?)
• Bill Miner (1847-1913)
• "Outlaw Bill" William Moore (18??-1881?)
• Joaquin Murieta (c. 1830?-1853?), bandit
• Jim Murphy (1861-1879)
• Lee H. Musgrove (18??-1868)
• George Newcomb "Bitter Creek", (1866?-1895)
• Jim Reed (1845?-1874)
• Nathaniel Reed "Texas Jack", (1862-1950)
• Johnny Peters Ringo [John Ringgold] (1844?-1882)
• Dave Rudabaugh (1841-1866)
• Cyrus Skinner (18??-1864)
• Belle Starr (1848-1899)
• Henry Starr (1873-1921)
• Tom Starr "Uncle Tom", (1813-1890)
• Harry Tracy (1874-1902)
• Henry Clay White (18??-1900?)
• Bob Younger
• Cole Younger

Outlaw Gangs

• Billy the Kid Gang (1876-1880)
• Bummers Gang (1855-1860)
• Burt Alvord-Billy Stiles Gang (1899)
• California Outlaws (1880's)
• Clanton Gang (1870's)
• Dalton Gang (1891-1892)
• Doolin Gang (1892-1895)
• Farrington Brothers (1870-1871)
• James Gang (1866-1882)
• McCanles Gang (1861)
• McCarty Gang (1892-1893)
• Musgrove Gang (1867-1868)
• Reno Gang (1866-1868)
• Reynolds Gang (1863-1864)
• Rufus Buck Gang (1895-1896)
• Wild Bunch (c. 1890-1902)
• Younger Brothers (1866-1876)

Gunfighters

• Robert Clay Allison (1840-1887)
• Billy Claiborne (1860-1882)
• John "King" Fisher (1854-1884)
• John W. Hardin (1853-1895)
• Tom Horn (1860-1903)
• "Turkey Creek" Jack Johnson
• Franklyn Leslie "Buckskin Frank", (1842?-192?)
• William Preston Longley "Wild Bill", (1851-1877)
• Jim Miller
• James "Jim" Riley (1853-18??)
• Luke Short (1854-1893)
• Ben Thompson (1843-1884)

Lawmen

• Wyatt Earp (1848-1929)
• Pat Garrett (1850-1908)
• "Wild Bill" James Butler Hickok (1837-1876)
• Doc Holliday [John Henry Holliday] (1852-1887)
• John M. Larn (18??-1877)
• Steve Long (18??-1868)
• Bat Masterson [William Bartholomew Masterson] (1853/1856-1921)
• "Mysterous" Dave Mather (1845-1915?)
• Henry Plummer (1837-1864)
• John Selman (1839-1896)