Ubadah, Ubaida, Ubaydah – Servant of God
Ubaid – Faithful
Ubayy – Old Arabic name
Umar – Name of the second Khalifa
Umarah – Old Arabic name
Umayr, Umair – Old Arabic name
Usama, Usamah – Description of a lion
Utbah – Old Arabic name
Uthman – One of the companions of the Prophet (pbuh)