First Battalion Four Marines
Personnel Rosters
1 January - 31 December 1967
| Name | Rank | MOS | Company | Tour | Purple Heart | Purple Heart | Purple Heart | KIA |
| Yager, John C | PFC | 0351 | A | 24 Jun 67 | 29 Oct 67 | |||
| Yarbrough, Billy E | Cpl | 0311 | C | 20 Jul 67 | ||||
| Yarbrough, Robert V | PFC | 0311 | C | 19 Oct 67 | ||||
| Yates, Daniel L | L/Cpl | 0311 | C | 16 Jul 67 | ||||
| Ybarra, Alfonso M | Sgt | 0311 | A | 8 Dec 66 | ||||
| Yeager, Howard W, Jr | Sgt | 0341 | HS | 10 Jun 66 | ||||
| Yeager, John W | PFC | 0351 | A | 12 Apr 67 | 25 Sep 67 | 2 Oct 67 | ||
| Yeates, Fredrick E | Cpl | 0311 | B/HS | 18 Aug 66 | ||||
| Yepez, John F | L/Cpl | 0311 | HS | 3 Oct 66 | ||||
| Yonkos, Edward G | L/Cpl | 3531 | HS | 17 May 66 | ||||
| York, James A | L/Cpl | 0353 | HS | 10 Mar 66 | ||||
| Youmans, Dan R | S/Sgt | 0369/8511 | D | 18 Dec 67 | ||||
| Young, Barry D | L/Cpl | 0341 | D | 26 Nov 67 | ||||
| Young, Ellis R | L/Cpl | 0311 | B | 21 Oct 67 | ||||
| Young, James H, Jr | Cpl | 0141 | HS | 3 Apr 66 | ||||
| Young, Robert M | PFC | 0351 | C | 12 Apr 67 | 22 Apr 67 | |||
| Young, Roger L | L/Cpl | 0351 | C/HS | 23 Oct 66 | ||||
| Young, Rufus | L/Cpl | 0311 | B | 9 Apr 67 | ||||
| Young, Terry L | PFC | 0311 | D | 16 Dec 67 | ||||
| Yount, James F | Cpl | 0331 | A | 17 Mar 66 | ||||