Topgallant may refer to:
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Topgallant sail
On a square rigged sailing vessel, a topgallant sail (topgallant alone pronounced "t'gallant", topgallant sail pronounced "t'garns'l",C.S. Forester, ''Beat to Quarters'', Chapter VI. is the square-rigged sail or sails immediately above the topsai ...
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Topgallant mast
The mast of a sailing vessel is a tall spar, or arrangement of spars, erected more or less vertically on the centre-line of a ship or boat. Its purposes include carrying sails, spars, and derricks, and giving necessary height to a navigation ligh ...
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Topgallant Islands
Topgallant Islands is an island group in the Australian state of South Australia located in the Investigator Group about south west of Cape Finniss on the west coast of Eyre Peninsula. The group was discovered and named by Matthew Flinders o ...
, an island group in South Australia
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