Peter Gregory Obi CON (born 19 July 1961) is a Nigerian businessman and politician who served as governor of Anambra from March to November 2006, February to May 2007, and from June 2007 to March 2014. In May 2022, he became the Labour Party candidate for President of Nigeria in the 2023 presidential election, after defecting from the PDP. Obi's presidential campaign has been described as populist and has been noted for its support among many young Nigerians, who have been nicknamed "Obi-dients".

Obi ran for governor in 2003 as a member of the All Progressives Grand Alliance, but his main opponent was unlawfully declared victor. After three years of legal battles, Obi was declared winner in 2006 and assumed office in March 2006. He was impeached in November the same year, but his impeachment was overturned and he returned to office in February the next year. Obi was removed during the 2007 Anambra State gubernatorial election, and the judiciary again intervened,