Abdullah ab-dullah, abd(ul)-lah as a boy's name is pronounced ab-DUL-ah. It is of Arabic origin, and the meaning of Abdullah is "God's servant". One of the most common names in the Islamic world, and the name of Muhammad's father. A royal name in Saudi Arabia. Abdalla is a Swahili variant.
Abdullah has 8 variant forms: Abdalah, Abdalla, Abdallah, Abdella, Abdualla, Abdulah, Abdulla and Abedellah.