USS Antelope is a name used more than once by the U.S. Navy:

• USS Antelope (1861), a chartered stern-wheel steamer built in 1861.
• USS Antelope (IX-109), a cargo ship launched on 6 July 1943.
• USS Antelope (PGM-86), was an aluminum patrol boat launched 4 November 1967.

References

• This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.