| Steve dePyssler | |
| Birth Date: | 21 July 1919 |
| Birth Place: | Chicago, Illinois, U.S. |
| Death Place: | Bossier City, Louisiana, U.S. |
| Allegiance: | United States of America |
| Branch: | United States Army Air Forces |
| Serviceyears: | 1941–1979 |
| Rank: | Colonel |
| Signature Size: | 150px |
Steven Leroy dePyssler (July 21, 1919 – July 25, 2020) was an officer of the United States Air Force.
He was the only American known to have participated in six military engagements: World War II, Korean War, First Indochina War, Bay of Pigs Invasion, Vietnam War and the Dominican Civil War. He died from COVID-19 on July 25, 2020, four days after his 101st birthday during the COVID-19 pandemic in Louisiana.[1] [2]