Clifton is a town located on Union Island, which is part of the Grenadines island chain of Saint Vincent and the Grenadines. It is located on the island's southeast coast.

Clifton is served by Union Island Airport.

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  Aerial view of a beach on Union Island near Clifton with the Union Island Airport in the background.
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  Harbour at Clifton, Union Island - Jetty of Anchorage Yacht Club
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  Memorial at central square of Clifton, Union Island.
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  Union Island Airport in Clifton.

• Scott, C. R. (ed.) (2005) Insight guide: Caribbean (5th edition). London: Apa Publications.