N45 may refer to:
Transportation
- N45 (Long Island bus)
- BMW N45, an automobile engine
- Kobelt Airport, in Ulster County, New York, United States
- N-45 National Highway, in Pakistan
- Nebraska Highway 45, in the United States
Military
- HMS Narwhal (N45), a Grampus-class submarine of the Royal Navy sunk in 1940
- HMS Trusty (N45), a T-class submarine of the Royal Navy scrapped in 1947
Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: