First Battalion Four Marines
Killed In Action - Alphabetically
| Kahkonen, Edwin Matti, Jr | L/CPL | Alpha | Augusta | Me | 29 Oct 67 | 18 |
| Kastrinos, Jerold Lloyd | SGT | Delta | Leadville | Co | 6 Dec 67 | 23 |
| Kean, Billy Orr | S/Sgt | Charlie | Alexandria | Oh | 16 Mar 68 | 25 |
| Kelly, Edmund Joseph | S/SGT | Alpha | Wilson | NC | 22 May 68 | 28 |
| Kelly, Roger Edward | L/CPL | Delta | Kenmore | NY | 2 Feb 68 | 20 |
| Kenison, Benjamin Albert | CPL | Delta | Jefferson | NH | 16 Sep 66 | 20 |
| Kenny, John Henry | PFC | Charlie | New York | NY | 24 Jun 66 | 19 |
| Kessel, Robert Lester | L/CPL | Delta | Gettysburg | Pa | 20 Mar 67 | 20 |
| Kiger, James Anthony | L/CPL | Delta | Huntsville | Al | 17 Sep 66 | 18 |
| Kilderry, Michael Joseph | L/CPL | Charlie | Phildelphia | Pa | 6 Jul 68 | 20 |
| King, George Louis | PFC | Charlie | Clatskanie | Or | 5 Jun 68 | 19 |
| Kirkland, Charles S, Jr | L/CPL | Bravo | Kennett | Mo | 22 May 68 | 20 |
| Klein, Joseph | CPL | Charlie | Highland Park | NY | 5 Jun 68 | 19 |
| Knox, Larry Wayne | PFC | Delta | Harrisonville | Mo | 20 Mar 69 | 19 |
| Korpisz Anthony Joseph, Jr | CPL | Delta | Baltimore | Md | 25 Mar 67 | 20 |
| Kreh, Gary Harold | CPL | Alpha | Flint | Mi | 8 May 67 | 19 |
| Krinke, Stephen Mathews | L/CPL | Charlie | Minneapolis | Mn | 25 Aug 68 | 21 |
| Kurtz, Christopher Landis | PFC | Delta | Long Beach | Ca | 22 May 68 | 19 |
| Kuzma, Marc John | PFC | Alpha | South Haley Falls | Ma | 26 Apr 68 | 19 |