Ayub is a masculine given name.
It is the Arabic version of the name of the Biblical figure Job, and is the name used in the Qur'an for the prophet Job.
Other people with this given name:
Haji Ayub Afridi, Pakistani drug lord turned politician,
Ayub Bachchu, Bangladeshi rock musician,
Ayub Daud, Somali footballer,
Ayub Shah Durrani, Afghan ruler,
Ayub Khan (Field Marshal), Pakistani general,
Ayub Thakur, Kashmiri freedom activist