First Battalion Four Marines
Killed In Action - Alphabetically
| Rader, James Doil | Cpl | Charlie | Yorktown | Va | 6 Dec 67 | 22 |
| Rainwater, Wilbur Dean | PFC | Delta | East Point | Ga | 16 Sep 66 | 19 |
| Reed, James Clayton | PVT | Delta | Los Angeles | Ca | 20 Mar 69 | 18 |
| Reed, Larry Bruce | PFC | Delta | New Castle | Pa | 6 Jun 68 | 18 |
| Reid, James Edward | PFC | Alpha | Wichita | Ks | 26 Aug 66 | 20 |
| Reynolds, Robert Lee, Jr | PFC | Charlie | Lebanon | In | 22 Jun 66 | 21 |
| Rhine, Richard Allen | HN | H&S | Holbrook | Az | 18 Apr 67 | 19 |
| Roberts, Clifford Alton | SGT | Alpha | San Bruno | Ca | 9 Jul 65 | 29 |
| Roberts, Gary Kenneth | L/Cpl | Delta | Summerville | SC | 6 Jun 68 | 22 |
| Robertson, Bristol, Jr | CPL | Alpha | Roxbury | Ma | 29 Oct 67 | 19 |
| Rohan, William James | HM3 | H&S | Racine | Wi | 16 Sep 66 | 19 |
| Roland, John Paul | L/CPL | Bravo | Austin | Tx | 24 Aug 65 | 21 |
| Roseto, John | L/CPL | Delta | New York | NY | 16 Sep 66 | 19 |
| Rouse, Gregory Michael | L/CPL | H&S | Evergreen | Co | 25 Jul 68 | 19 |
| Rowlett, Jimmie Henry | L/CPL | Bravo | Middlesboro | Ky | 18 Sep 66 | 20 |
| Ruff, Thomas Valentine, Jr | PFC | Delta | Elkton | Md | 8 May 67 | 18 |
| Ruiz, Raymond | L/CPL | Charlie | Los Angeles | Ca | 15 Jul 67 | 20 |
| Russell, Kenneth Truman* | CPL | H&S | Perry | Ok | 16 Feb 67 | 20 |
* Scout Sniper HQ 26th Marines - Attached to H&S/1/4