N48 may refer to:
Vessels , a minesweeper of the Royal Norwegian Navy , a minesweeper of the Royal Navy , a T-class submarine of the Royal Navy sunk in 1942 , a U-class submarine of the Royal Navy scuttled in 1940
Other uses N48 (Long Island bus) N48 motorway (Netherlands) Nagdlunguaq-48, a football and handball club in Greenland