Ayyub may refer to:

Ayyub (name), a masculine given name notably borne by Job in Islam Abu Ayyub al-Ansari (as kunya/teknonym) Najm ad-Din Ayyub, eponymous ancestor of the Ayyubid dynasty Ayyub (crater), an impact crater in the northern hemisphere of Saturn's moon Enceladus Ayyub, Iran, a village in Kurdistan Province, Iran

See also Ayyubid dynasty, a Muslim dynasty of Kurdish origin Ayyub's Castle (from the Arabic Qalʿat ʾAyyūb), the original foundation of Calatayud, Province of Zaragoza, Aragón, Spain