Shaykh al-Islām (Larabci: شيخ الإسلام, romanized: Šayḫ al-Islām; Ottoman Turkish: شیخ‌ الاسلام, romanized: Şhaykḫu-l-İslām ko Sheiklı ul-Islam) an yi amfani da shi a zamanin gargajiya azaman daraja ga fitattun malaman ilimin addinin Musulunci. Ya fara fitowa ne a Khurasan har zuwa karshen karni na 4 na Musulunci. A cikin kasashen tsakiya da yammacin Musulunci, lakabi ne na yau da kullun da aka bai wa masanan shari'a wadanda fatawoyinsu ke da tasiri musamman, yayin da a gabas ya zama masu mulki ne ke ba da shi. ga malaman da suka taka mukamai daban -daban amma ba galibi muftis ba. Wani lokaci, kamar yadda aka yi a kan Ibn Taimiyya, amfani da take yana da sabani. A cikin Daular Usmaniyya, tun daga farkon zamanin zamani, taken ya zo ne don nada babban mufti, wanda ke kula da matsayin manyan malamai da gwamnati ta nada. Daular Usmaniyya Sheikh al-Islam (haruffan Faransanci: cheikh-ul-islam) ya yi ayyuka da dama, ciki har da bai wa sarkin shawara kan al'amuran addini, halatta manufofin gwamnati, da nada alkalai.