Youssouf Saleh Abbas ( Larabci: يوسف صالح عباس‎ Yūsuf Ṣāliḥ ʿAbbās ; haifuwa c . 1953 ) ɗan siyasan ƙasar Chadi ne wanda ya kasance Firayim Minista na Chadi daga Afrilu 2008 zuwa Maris 2010. Ya kasance a baya mai ba da shawara kan harkokin diflomasiyya kuma wakili na musamman ga Shugaba Idriss Déby . An haifi Abbas a Abéché a Yankin Ouaddai, a gabashin Chadi. Yayi karatu a Tarayyar Soviet sannan kuma a Faransa, inda ya sami digiri na biyu a huldar kasashen duniya. Bayan ya dawo Chadi, ya yi aiki a Ma’aikatar Harkokin Waje a matsayin shugaban Sashin Haɗin Kai da yawa kuma ya zama Daraktan Hadin Kan Kasa da Kasa daga Nuwamba 20, 1979 zuwa 30 ga Janairun 1981. Sannan ya kasance mai ba da shawara kan diflomasiyya ga Goukouni Oueddei, Shugaban Gwamnatin rikon kwarya ta Hadin Kan Kasa (GUNT), daga 1 ga Yuni, 1981 zuwa 25 ga Disamba, 1981 da Daraktan Majalisar Ministocin Shugaban Kasa daga Disamba 6, 1981 har zuwa saukar Oueddei a ranar 7 ga Yuni, 1982.