| | Name | Rank | ASN | Unit | Campaign | | Sirotkin, Marvin | Pfc | 16062177 | 117/A | NF,R |
| Sirtoli, Peter A. | 1st Sgt. | | DHQ | |
| Sisak, Michael G. | Pvt | | 120/C | |
| Sisco, Paul | Pvt | | 117/B | NF |
| Sisk, Alton B. | | | 120/M | |
| Sisk, Carl W. | Pfc | | 117/C | R,CE |
| Sisk, Craig | SSgt | 34008850 | 120/M | |
| Sisk, Eugene | Pfc | | 118 FA/B | |
| Sisk, Robert L. | Sgt | 33213968 | 105 Eng/A | |
| Siska, John | Pfc | 32215592 | 119 | |
| Sisson, Paul K. | 2nd Lt | O-1557789 | 105 Eng | |
| Sitar, Edward J. | Pfc | | 119/AT | |
| Sitar, Stephen B. | 1st Lt | O | 117/3rd | |
| Sitarik, Stephen P. | T/5 | 33260058 | 120/C 3rd Plt | |
| Sites, David T. | Pfc | | 117/B | R,CE |
| Sitz, George W., Jr. | Capt | O | 823 TD/UnkCo | |
| Sitzman, August G. | 2nd Lt | O | 400 FA | |
| Sivafford, Kenneth F. | | | 105 Med. | |
| Sivalls, William J. | Pvt | | 117/B | N |
| Siwek, Saul D. | 1st Lt | O-1306652 | 120/I | |
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