Aminu Bello Masari (born 29 May 1950) is a Nigerian politician and now Governor of Katsina State. He was the speaker of the Nigerian House of Representatives between 2003 and 2007. Masari hails from Katsina State.
Masari, ran unsuccessfully for the office of Katsina State Governor in the 2011 election under the platform of defunct Congress for Progressive Change. In December 2014, he emerged as the governorship candidate of the All Progressives Congress for the March 2015 elections.
He has been declared winner of 11 April 2015 Katsina State Governorship election, defeating his arch-rival Musa Nashuni; anointed candidate of incumbent Shema. Aminu Bello Masari was sworn in as the Executive Governor of Kastina State on May 29, 2015. Notably, Gov. Masari is from the same State with the newly sworn in President of Nigeria Muhammadu Buhari.