1N
# 1N

1N or 1-N may refer to:

* 1st parallel north
* Canon EOS-1N
* Bell UH-1N Twin Huey, part of the U.S. Marine H-1 upgrade program
* Canon F-1n, a model of Canon F-1
* Olympus OM-1n, a model of Olympus OM-1
* SH 1N, the North Island section of New Zealand State Highway 1
* 1N, a model of Toyota N engine
* UH-1N Huey, see Bell UH-1 Iroquois
* Secondary State Highway 1N (Washington 1937-1943), a loop west of Centralia
* Secondary State Highway 1N (Washington 1943–1970), now Washington State Route 507 from Centralia to Tenino
* CUH-1N, Canadian version of what became the Bell 212
* Sikorsky HSS-1N Seabat, see Sikorsky H-34
* F7F-1N, see Grumman F7F Tigercat
* F8F-1N Bearcat, see Grumman F8F Bearcat
* XF8F-1N, see Grumman F8F Bearcat
* J/1N Alpha, see Auster Autocrat
* One newton, see Newton (unit)
