| | Commander | Warship commands |
 | | Capt. | Yates, Gerald Douglas, RN | HMS Penelope (97), HMS Ameer (D 01) |
| | A/Capt. | Yeatman, Morgan John, RN | HMS Sandwich (L 12 / U 12) |
| | Capt. | Yendell, William John, RN | HMS Shah (D 21) |
 | | Lt. | Yeomans, Edward Eugene, USN | USS Sargo (188) |
| | Cdr. | Yeomans, Roy Oswald, RNR | HMS Gentian (K 90) |
| | Cdr. | Yolk, Louis Frank, USN | USS Cushing (ii) (DD 797) |
| | Lt.Cdr. | Yorke, James John Simon, DSC, RN | HMS Berkeley (L 17), HMS Tynedale (L 96), HMS Camperdown (R 32) |
 | | A/Lt.Cdr. | Young, Alexander Keith, RCNR | HMCS Amherst (K 148) |
| | Lt. | Young, Edward Malcolm, RANVR | HMAS Wagga (J 315) |
| | T/Lt. | Young, Edward Preston, DSC, DSO, DSO, RNVR | HMS P 555 (P 555), HMS Storm (P 233) |
| | T/Lt.Cdr. | Young, Henry Esson, RCNR | HMCS Buctouche (K 179), HMCS Buctouche (K 179) |
| + | Capt. | Young, Cassin, USN | USS Evans (i) (DD 78), USS Vestal (AR 4), USS San Francisco (CA 38) |
| | Capt. | Young, Robert Cummings, USN | USS Dortch (DD 670), USS Card (CVE 11) |
| | Lt.Cdr. | Young, Edward Watson, USN | USS Mugford (DD 389) |
| | Cdr. | Young, Jr., Andrew Lee, USN | USS Hull (DD 350), USS Rowe (DD 564) |
| | Capt. | Young, Howard Leyland, USN | USS Tangier (AV 8), USS Ommaney Bay (CVE 79), USS Tarawa (CV 40) |
| | Capt. | Young, Louis T., USN | USS Cascade (AD 16) |
| | Capt. | Young-Jamieson, Douglas, RN | HMS Bideford (L 43 / U 43), HMS Kent (54), HMS Devonshire (39) |
| | Lt.Cdr. | Younghusband, John Leslie, DSC, RN | HMS Wild Swan (D 62) |
| | T/A/Lt.Cdr. | Youngman, Roy Edmund, RNR | HMS Spearhead (P 263) |
| | A/Capt. | Youngs, Joseph John, OBE, RD, DSC, RNR | HMS Fitzroy (i) (J 03), HMS Speedwell (J 87), HMS Fort York (J 119) |
| A (165), B (573), C (475), D (278), E (112), F (200), G (279), H (516), I (22), J (143), K (169), L (245), M (540), N (97), O (76), P (317), Q (8), R (269), S (503), T (233), U (7), V (51), W (398), Y (21), Z (8) |