The Argentina women's national under-20 football team is the representative of Argentina in FIFA sponsored tournaments that pertain to that age level. They have participated in the eight editions of the South American U-20 Women's Championship, their best result finishing runners-up in 2006, 2008 and 2012, which allowed them to qualify for the FIFA U-20 Women's World Cup in 2006, 2008 and 2012, although in all of them, they ended up being eliminated in the group stage.

Argentina U20 naiste jalgpallimeeskond on Argentina jalgpallikoondise noortekoondis mängijatele vanuses kuni 20 aastat. Meeskond esindab Argentinat rahvusvahelistel naiste alla 20-aastaste jalgpallivõistlustel ja sõprusmängudel.