Martyr's Memorial B-Division League (Nepali: शहीद स्मारक बी डिभिजन लीग) is the second tier of the association football league of Nepal football league system after the Martyr's Memorial A-Division League. It was established in 2003 and is run by the All Nepal Football Association. It is currently being held at the ANFA Complex.

The Nepal B Division is a prominent football tournament in Nepal that serves as a crucial platform for emerging clubs and aspiring players to showcase their talent. Organized by the All Nepal Football Association (ANFA), the competition features teams from various regions competing for promotion to the top-tier Nepal Super League. Known for its competitive spirit and vibrant atmosphere, the Nepal B Division fosters the development of grassroots football and contributes significantly to the growth of the sport in the country. Fans can expect thrilling matches, passionate performances, and a celebration of Nepalese football culture throughout the tournament.