N37 may refer to: N37 (Long Island bus) A37 motorway (Netherlands) , a T-class submarine of the Royal Navy captured in 1940 , a Grampus-class submarine of the Royal Navy scrapped in 1947 Monticello Airport (New York), in Sullivan County, New York, United States Nudelman N-37, a Soviet aircraft cannon Wurrugu language N37 road (Belgium)