Oliver Hazard Perry-class frigate USS Klakring (FFG-42)

USS Klakring (FFG-42), an Oliver Hazard Perry-class frigate, is a ship of the United States Navy named for Rear Admiral Thomas B. Klakring (born 1904), who was awarded three Navy Crosses as commander of the submarine USS Guardfish (SS-217) during World War II.

Klakring was laid down on 19 February 1982 by the Bath Iron Works Corp. Bath, Maine; launched on 18 September 1982; and commissioned on 20 August 1983.

As of 2006, Klakring is homeported at NAVSTA Mayport, Florida, and is part of Destroyer Squadron 14.

Klakring participated in Operation Prime Chance in the Persian Gulf during the "Tanker War". Klakring is one of the surface combatants in Larry Bond's 1993 technothriller Cauldron.