| Navy | The Royal Canadian Navy |
| Type | Destroyer |
| Class | Town |
| Pennant | I 57 |
| Built by | Fore River Shipbuilding Co. (Quincy, Massachusetts, U.S.A.) |
| Ordered | |
| Laid down | 8 Jun, 1918 |
| Launched | 31 Aug, 1918 |
| Commissioned | 24 Sep, 1940 |
| End service | 15 Sep, 1945 |
| Loss position | |
| History | Assigned torpedo training ship on 2 March 1944. Decommissioned on 15 September 1945. Commanding Officers: T/A/Lt.Cdr. Thomas Philip Ryan, RCNR Lt.Cdr. Ronald Fraser Harris, RCNR ??? Lt.Cdr. Ronald Fraser Harris, RCNR A/Lt.Cdr. William Herbert Willson, RCN T/Lt. J.C. Smyth, RCNR Cdr. R.B. Mitchell, RCNR |
| Former name | USS Thatcher (DD 162) |
| Noteable events involving Niagara include: 1 Apr, 1942 |
