Henry Grammer
| Henry Grammer | |
|---|---|
| Born | July 20, 1883 Marlin, Texas, U.S. | 
| Died | June 14, 1923 (aged 39) Shidler, Oklahoma, U.S. | 
| Occupation(s) | Cowboy, bootlegger | 
| Known for | One of the perpetrators of the Osage Indian murders | 
| Awards | National Rodeo Hall of Fame inductee (posthumous) | 
Henry F. Grammer (July 20, 1883 – June 14, 1923) was an American cowboy, bootlegger, and murderer from Texas. Grammer was among the perpetrators of the Osage Indian murders. He died in 1923 under suspicious circumstances during a federal investigation of these events. For his career as a cowboy, he was posthumously inducted into the National Rodeo Hall of Fame in 2000.