Musi waJanuary 18, 2017, Gabbard akaenda kuSyria neLebanon kwevhiki imwe chete, uko Gabbard akasangana nevatungamiriri vakasiyana-siyana vezvematongerwo enyika uye vezvitendero kubva kuSyria neLebanon - pamwe chete nevagari venguva dzose kubva kumativi ose ehondo - uye zvakare aive nemisangano miviri isina kurongwa nemutungamiri weSyria Bashar al-Assad. Muna Kubvumbi 2017, Gabbard akaratidza kusava nechokwadi pamusoro pekuti Assad akashandisa zvombo zvemakemikari kurwisa vanhu muKhan Shaykhun, uye izvo zvakateverwa nekurwiswa kwemauto kuSyria
neUnited States. Gabbard akati, "kutongwa kwakabudirira kwaAssad (kuInternational Criminal Court) kwaizoda kuunganidzwa kweuchapupu kubva panzvimbo yechiitiko ichi", uye kuti "akatsigira [zvakaitwa] neUnited Nations panyaya iyi". Mukubvunzurudzwa muna 2018 ne "The Nation", Gabbard akati United States yakanga "yave ichiita hondo yekuchinja hurumende muSyria kubvira muna 2011". Gabbard akadana Assad kuti "... mudzvinyiriri ane utsinye. Kungofanana naSaddam Hussein".