Kammala wannan jumlar: A ranar 30 ga Maris, 2017, Haley ta bayyana cewa Amurka ba za ta ƙara mai da hankali kan tilasta wa shugaban Siriya Bashar al-Assad barin mulki ba. Wannan wani canji ne na siyasa daga matsayin farko na tsohon shugaban kasar Barack Obama game da Assad. A ranar 5 ga Afrilu, tana magana da Kwamitin Tsaro na Majalisar Dinkin Duniya kwana daya bayan harin sinadarai na Khan Shaykhun, Haley ta ce Rasha, Assad, da Iran "ba su da sha'awar zaman lafiya" kuma hare-hare irin wannan za su ci gaba da faruwa idan ba a yi wani abu ba. Wata rana daga baya, Amurka
59 sun kaddamar da makamai masu linzami na Tomahawk zuwa sansanin sojin Shayrat a Siriya. Haley ta kira harin da "mataki ne da aka auna sosai" kuma ta yi gargadin cewa Amurka a shirye take "ta kara yin hakan" duk da cewa tana fatan ba za a buƙaci hakan ba. A ranar 12 ga Afrilu, bayan da Rasha ta toshe wani kudirin ƙuduri da nufin yin Allah wadai da harin sinadarai na Khan Shaykhun, Haley ta soki Rasha, tana cewa "Muna buƙatar ganin Rasha ta zaɓi tsayawa tare da wayewar duniya a kan gwamnatin Assad da ke ta'addanci da mutanenta". A ranar 28 ga watan Yuni, yayin da ta bayyana a gaban Kwamitin Harkokin Wajen Amurka, Haley ta yaba wa gargadin Shugaba Trump ga Siriya tare da dakatar da wani harin sinadarai: "Zan iya gaya muku saboda ayyukan shugaban, ba mu ga wani abin da ya faru ba".