- The USS Langley (NCC-3930), a Ptolemy-class transport/tug in service in the mid-23rd century. (ST reference book: Star Fleet Technical Manual).
- The USS Langley (NCC-1749), an Constitution-class heavy cruiser in service in the late 23rd century. (FASA RPG module: Ship Recognition Manual: The Federation).
Community content is available under CC-BY-SA unless otherwise noted.