| Third Fleet | |
|---|---|
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| Active | 1 May 1912–1914 |
| Country |  United Kingdom |
| Branch | Royal Navy |
| Type | Reserve fleet |
| Size | 2 x Battle squadrons 6 x Cruiser squadrons 3 x Local Defence Flotilla |
The Third Fleet was a reserve formation of the Royal Navy that briefly existed before the First World War.