The 2013 Martyr's Memorial B-Division League was the 2013 season of the Martyr's Memorial B-Division League.
A total of 13 teams competed in the league.
The season started on 28 January 2013 and concluded on 5 March 2013.
[3] Boys Union Club won the league on the final matchday and were promoted to 2013–14 Martyr's Memorial A-Division League.
[clarification needed] The league was played centrally in one venues in Kathmandu.