| 释义 |
{{italic title prefixed|16}} U-23 may refer to one of the following German submarines: - {{SMU|U-23|Germany}}, was the lead ship of the Type U 23 class of submarines; launched in 1913 and served in the First World War until sunk on 20 July 1915
- During the First World War, Germany also had these submarines with similar names:
- {{SMU|UB-23}}, a Type UB II submarine launched in 1915 and interned in Spain 29 July 1917
- {{SMU|UC-23}}, a Type UC II submarine launched in 1916 and surrendered on 25 November 1918
- {{GS|U-23|1936}}, a Type IIB submarine that served in the Second World War until scuttled on 10 September 1944
- {{GS|U-23|S172}}, a Type 206 submarine of the Bundesmarine that was launched in 1974 and sold after decommissioning to Columbia where she serves as {{ship|ARC|Intrépido}}.
U-23 or U-XXIII may also refer to: - {{SMU|U-23|Austria-Hungary}}, a {{sclass-|U-20|submarine (Austria-Hungary)|0}} submarine of the Austro-Hungarian Navy
{{Shipindex}}{{DEFAULTSORT:U-023}} 1 : Submarines of Germany |