The ASEAN Women's Championship (formerly the AFF Women's Championship), currently known as the MSIG Serenity Cup for sponsorship reasons, is the competition in women's football organized by the ASEAN Football Federation.

The AFF Championship Women is a premier international football tournament featuring the top women's national teams from Southeast Asia. Organized by the ASEAN Football Federation (AFF), this prestigious competition showcases the best talent and competitive spirit of the region's female footballers. Held biennially, the tournament aims to promote women's football development, foster regional unity, and inspire future generations of players. With exciting matches, passionate fans, and a celebration of athletic excellence, the AFF Championship Women is a highlight of the Southeast Asian sporting calendar, highlighting the growing popularity and professionalism of women's football in the region.