Atiku Abubakar ; born 25 November 1946) is a Nigerian politician and businessman who served as the vice president of Nigeria from 1999 to 2007 during the presidency of Olusegun Obasanjo. He ran as governor of Adamawa State in 1990, 1996, and in 1998, when he was finally elected before he became Obasanjo's running mate during the 1999 presidential election and was re-elected in 2003.

The vice president of Nigeria is the second-highest official in the executive branch of the federal government of Nigeria, after the president of Nigeria, and ranks first in the presidential line of succession. Officially styled vice president of the Federal Republic of Nigeria, the vice president is directly elected together with the president to a four-year term of office.