The Ranger 37, also called the Ranger 1 Ton, is an American made sailboat, that was designed by Gary Mull as an International Offshore Rule (IOR) one-ton racer and first built in 1973. The design is now out of production.
The Ranger 37 is a medium sized recreational keelboat, built predominantly of fiberglass. It has a masthead sloop rig, an internally-mounted rudder mounted on a skeg and a fixed fin keel. It displaces 15,200 lb (6,895 kg) and carries 7,300 lb (3,311 kg) of ballast. The boat has a draft of 6.0 ft (1.8 m) with the standard keel.
The standard Ranger 37 has a PHRF racing average handicap of 126 with a high of 129 and low of 120. It has a hull speed of 7.13 kn (13.20 km/h). There was the option of a taller rig that results in a PHRF racing average handicap of 120 with a high of 120 and low of 116.