N52

N52 may refer to:

Roads

 * Route nationale 52, in France
 * N52 road (Ireland)
 * Kalinga–Cagayan Road, in the Philippines
 * Nebraska Highway 52, in the United States

Other uses

 * N52 (Long Island bus)
 * BMW N52, an automobile engine
 * HMS Trident (N52), a submarine of the Royal Navy
 * HNOMS Vidar, a minelayer of the Royal Norwegian Navy
 * Nostromo SpeedPad n52, a computer gaming peripheral
 * Okamura N-52, a Japanese sport aircraft
 * Neodymium magnet grade for one of the strongest (N30-N55) types