Gregory Mugisha Muntuyera, commonly referred to as Mugisha Muntu is a Ugandan politician and retired military officer. He is the current President of the Alliance for National Transformation (ANT), a political party he founded in March 2019. He previously served as the President of the Forum for Democratic Change (FDC), an opposition political party, from 2012 to 2017. In September 2018, General Muntu parted ways with the FDC citing ideological differences with the new FDC leadership of Hon. Patrick Oboi Amuriat. On 27 September 2018, he announced in a televised press conference that he and some other leaders had begun what he called The New Formation which later became the ANT.

He served as the Commander of the Army, the highest position in the Ugandan military, from 1989 to 1998. When the National Resistance Army was renamed the Uganda People's Defence Forces (UPDF), General Muntu became Commander of the UPDF.

In 2008, he unsuccessfully contested for the FDC's presidency, against Kizza Besigye. He was elected as party president in 2012.

He is now the Party President of Alliance for National Transformation (ANT)