The World Lacrosse Women's U20 Championship, formerly known as the World Lacrosse Women's U19 Championship, are held every four years to award world championships for the under-20 age group in women's lacrosse.

The tournaments are sanctioned by World Lacrosse.

The 2015 games were held in Edinburgh, Scotland.

The Haudenosaunee Nationals women's lacrosse team could not participate due to British passport requirements.

[1] Canada won its first gold medal, defeating the United States 9–8 in the final.