Birmingham Police are searching for 1-year-old Treshon M. Williams and his babysitter, Antoinetta Smith, 16.
The two were last seen on Thursday at approximately 10 p.m.
Police say Smith was babysitting Williams when she allegedly left with the 1-year-old.
Smith was last seen driving away in the child's mother's maroon, 1997, four-door Ford Crown Victoria, license tag 14127AN.
Anyone with information on their whereabouts is asked to call the police department's Family Services Unit at 254-0800.