| Name, Place, or Title |
Born |
Died |
Noted |
| Yakama War (Washington) 1855 | | | 0 |
| Yancy Derringer (TV) 1958 | - | - | 50 |
| Yanger ?? (Brewmeister, San Antonio, TX) | | | 0 |
| Yankton Sioux Indians | | | 21 |
| Yantis, Oliver | - | 48 | 48 |
| Yeager, Dick (see: Wyatt, Nathaniel Ellsworth "Zip") | | | 0 |
| Yeager, Erastus "Red" (Plummer Gang) | | | 01 |
| Yellow Dog (Indian Chief) | | | 22, 40 |
| Yellow Hair (Cheyenne sub, war chief) | - | 29 | 29 |
| Yellow House Canyon, Battle of | - | - | 11, 18 |
| Yellow Jacket Mine (Comstock Lode) | | | 14 |
| Yellow Rose of Texas, The (M) 1944 | - | - | 27 |
| Yellowstone Kelley (Luther Sage Kelley) Soldier, Hunter, Trapper, Scout | 30 | 51 | 27, 30, 51 |
| Yellowstone National Park (WY, The First) | | | 34, 51 |
| Yellowstone River (Montana) | | | 31 |
| Yerba Buena (Mexican Settlement in Alta, CA | - | - | 05 |
| Yoas, Bravo Juan | - | 7 | 07 |
| York, Bill | - | 19 | 19 |
| Yost, John (Teamster) | | | 28 |
| Young Guns (M) 1988 | - | - | 25, 45 |
| Young Rounders, The (Movie) 1966 | | | 20 |
| Youngers (The Family, generic) | - | - | 05, 34 |
| Younger, Bob (JYG, Bank Robber) | 10/1853 | 37 | 36, 37 |
| Younger, James "Jim" (JYG, Bank Robber) | 3 | 42 | 03, 11, 12, 36, 42 |
| Younger, John (JYG, Bank Robber) | 1851 | 11 | 03, 11 |
| Younger, Thomas Coleman "Cole" (JYG, Bank Robber) | 3 | 8 | 03, 08, 12, 36, 45, 49, 52 |
| Young, Brigham (Mormon Leader) | 22 | 35 | 08, 16, 20, 22, 30, 32, 34, 35, 37, 40 |
| Young, Charles (Col. U.S. Army) | 11 | 02 | 02, 11 |
| Young, Jack (lawman) | | | 13 |
| Yuma Territorial Prison | - | - | 07, 41, 51, 0 |
