'''Oro Win''', maleno pleme [[Chapacuran]] Indijanaca nastanjeno na gornjem toku rijeke [[Pacaas-Novos]], pritoci [[Mamoré]], u [[brazil]]skoj državi [[Rondônia]]. Za genocid nad ovim plemenom odgovoran je izvjesni ''Manoel Lucindo da Silva''. Masakr nad njima izvršen je kolovozu [[1963]] <ref>[http://nativenetbooks.uthscsagoogle.eduhr/archive/nl/9406/0035.htmlbooks?id=XHzjNUh1xUoC&pg=PA39&lpg=PA39&dq=Manoel+Lucindo+da+Silva+Oro+Win+indians&source=bl&ots=Sfjrhr7NKJ&sig=sQBznECbjd1eto9wFgDYAzOVjPA&hl=hr&ei=PNLeTtHGIsiW8gPNkvnKBA&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCAQ6AEwAA#v=onepage&q=Manoel%20Lucindo%20da%20Silva%20Oro%20Win%20indians&f=false Wars in the midst of peace: the international Exploiterpolitics condemnedof forethnic genocideconflict]</ref>. U suvremeno vrijeme njih pedesetak (55 etničkih [[1998]]. <ref>[http://www.ethnologue.com/show_language.asp?code=orw Oro Win]</ref>) živi na rezervatu Rio Negro-Ocaia. Sami sebe nazivaju Oro Towati’.
