Sceptre (K-17) was the unsuccessful challenger of the 1958 America's Cup for the Royal Yacht Squadron.
Designed by David Boyd and built by Alexander Robertson and Sons, Sceptre was built especially for the 1958 America's Cup challenge.
Sceptre was owned by a syndicate headed by Hugh Goodson, plus Richard Dickson, William H. Northam, William G. Walkley, and Noel Foley. Sceptre lost 4-0 to defender Columbia of the New York Yacht Club.
- Alexander Robertson and Sons, history of the yard.