Joseph Bandabla Dauda widely known as J. B. Dauda, was a Sierra Leonean politician. He was Second Vice-President of Sierra Leone, Attorney-General and Minister of Justice from November 1991 to April 1992. Later he was Minister of Finance in 2002, Minister of Foreign Affairs from 2010 to 2012, and Minister of Internal Affairs from 2013 to 2016.

The vice-president of Sierra Leone is the second most senior government official in the executive branch of the Republic of Sierra Leone government after the president. The vice-president's only constitutional power is to be the immediate successor to the president of Sierra Leone if the president resigned or is removed from office by the parliament. Other than that the power of the vice president depends on the role delegated to the office by the president.