The Windrose 20 is a recreational keelboat first built in 1977 by Laguna Yachts in the United States, and now out of production.
Designed by Ron Holder, the fiberglass, hull has a raked stem, a plumb transom, a transom-hung rudder controlled by a tiller and a fixed stub keel and retractable centerboard. It displaces .
The boat has a draft of with the centerboard extended and with it retracted, allowing operation in shallow water, beaching or ground transportation on a trailer.
The design has sleeping accommodation for four people, with a double "V"-berth in the bow cabin and two straight settee berths in the main cabin. The galley is located on the starboard side amidships. The head is located in the bow cabin on the port side under the "V"-berth.
It has a fractional sloop rig.
The design has a hull speed of .