Masallacin Sayyidah Zaynab (Larabci: مَسْجِد ٱلسَّيِّدَة زَيْنَب, romanized: Masjid as-Sayyidah Zaynab) masallaci ne da ke birnin Sayyidah Zainab, a kudancin birnin Damascus na kasar Siriya. A bisa al’adar musulmi ‘yan Shi’a ‘yan-sha-biyu, masallacin ya kunshi kabarin Zainab ‘yar Ali da Fatima kuma jikar Muhammad. Al'adar Shi'a ta Ismaili ta sanya kabarin Zainab a cikin masallaci mai suna a birnin Alkahira na kasar Masar. Kabarin ya zama cibiyar nazarin addini goma sha biyu a kasar Siriya, kuma wurin da Musulman Shi'a goma sha biyu daga ko'ina cikin kasashen musulmi suka gudanar da ziyarar aikin hajji, tun a shekarun 1980. Zenith na ziyara yakan faru a lokacin rani. Masallacin na yau da ya dauki nauyin kabarin an gina shi ne a shekarar 1990. Dome na zinariya a sama da mausoleum Cikin gida vaulting ado da larabawa a cikin masallaci Interior decoration Sayyida Zainab Cikin gida Matthiesen, Toby. Syria: Inventing a Religious War. The New York Review of Books. 2013-06-12.