USS Antigone (ID-3007) was a transport for the United States Navy during World War I, and the first ship of that name for the US Navy. She was originally Neckar for Norddeutscher Lloyd from her 1900 launch until seized by the US in 1917. After her war service she was Potomac for United States Lines.

Norddeutscher Lloyd was a German shipping company. It was founded by Hermann Henrich Meier and Eduard Crüsemann in Bremen on 20 February 1857. It developed into one of the most important German shipping companies of the late 19th and early 20th centuries, and was instrumental in the economic development of Bremen and Bremerhaven. On 1 September 1970, the company merged with Hamburg America Line (HAPAG) to form Hapag-Lloyd AG.