Imane Khelif's dealt with a very emotional week ... with tons of people online questioning her gender and calling her names -- and, she let it all out after her quarterfinal win.
The Algerian Olympian beat Hungary's Anna Luca Hamori Saturday morning ... winning by unanimous decision in her QF match -- and, tears immediately came pouring down her face.
Watch the video, Imane leaves the ring and her team has to comfort her -- with racking sobs coursing through her.