There's Malinda Lo and Cindy Pon, who both write YA fantasy.
Aliette de Bodard is a half Vietamese author who writes both science fiction and fantasy.
Dragon and Wind Child by Noriko Ogiwara and Moribito: Guardian of the Spirit by Nahoko Uehashi are both Japanese fantasy novels that have English translations. I haven't read either one yet.
There's also Benjanun Sriduangkaew, but FYI she's notorious for harassing people online.
Asian Fantasy Authors
Aliette de Bodard is a half Vietamese author who writes both science fiction and fantasy.
Dragon and Wind Child by Noriko Ogiwara and Moribito: Guardian of the Spirit by Nahoko Uehashi are both Japanese fantasy novels that have English translations. I haven't read either one yet.
There's also Benjanun Sriduangkaew, but FYI she's notorious for harassing people online.