Nils Harry Martin Bong (13 June 1905 – 18 July 1987) was a Swedish Navy captain (kommendör).
Bong served as commanding officers of the torpedo boat HSwMS Antares, the cruisers HSwMS Örnen and HSwMS Tre Kronor, and the coastal defence ship HSwMS Oscar II.
He also served as commanding officer of the Gothenburg Squadron and of the Karlskrona Naval Training Schools.