Fastnet
# Fastnet

Fastnet can refer to:

* Fastnet International Schools Regatta, a regatta held in County Cork, Ireland
* Fastnet Line, a passenger ferry service operating between Wales and Ireland
* Fastnet (netball), a variation of the rules of netball used primarily in the World Netball Series
* Fastnet Race, one of the four or so most prestigious ocean races in competitive sailing
* Fastnet Rock, a small clay-slate island with quartz veins and the most southerly point of Ireland
* A sea area, named for the rock, used in the British Shipping Forecast
* Fastnet Rock (horse), an Australian thoroughbred racehorse stallion
* FastNet, the business name of South African communication service provider Swiftnet Pty Ltd, a subsidiary of Telkom
