In some depictions, Maid Marian of the Robin Hood legends. There's even a ballad (one of the Child Ballads) where Marian went to seek Robin, armed and in man's clothes, and when she met him, he was also in disguise — so they fought, for "at least an hour or more", before recognizing each other.
The character of Hua Mulan, known for joining the army in place of her elderly father and too-young brother, fighting to the West of China, then going home and eventually dying of old age.
