America's Cup yacht class
# America's Cup yacht class

The America's Cup class may refer to any yacht-building rule or any group of racing yachts that were built for the America's Cup sailing competition, including:

* Deed of Gift of the America's Cup, a document that governed America's Cup in 1988 and 2010 without a class
* Cubical Contents rule, tonnage and handicap rule for displacement yachts that governed the America's Cup from 1870 to 1881
* NYYC rule, formula and handicap rule for displacement yachts that governed the America's Cup from 1885 to 1887 (85 ft LWL limit)
* Seawanhaka Rule, formula and handicap rule for displacement yachts that governed the America's Cup in 1893 (85 ft LWL limit) and from 1895 to 1903 (90 ft LWL limit)
* Universal Rule, formula rule for displacement yachts that governed the America's Cup in 1920 (75 ft LWL limit) and from 1930 to 1937 (J Class 87 ft LWL limit)
* 12-metre class, formula rule for displacement yachts that governed the America's Cup from 1958 to 1987
* International America's Cup Class, formula rule for displacement yachts that governed the America's Cup from 1992 to 2007
* AC72, development class of winged catamarans that governed the 2013 America's Cup
* AC50, development class of winged catamarans that governed the 2017 America's Cup
* AC75, development class of hydrofoiling monohulls that governed the 2021 America's Cup and which are planned to be used for the 37th America's Cup and 38th America's Cup matches.
