Chief Lamidi Ariyibi Akanji Adedibu (24 October 1927 – 11 June 2008) was an aristocratic power broker in Oyo State, Nigeria.
Former President Olusegun Obasanjo described him as the "father of the PDP".Adedibu was born on October 24, 1927 at Oja-Oba, Ibadan, a member of the Olupoyi chieftaincy ruling house.
Adedibu entered politics in the 1950s, when he became a member of the Ibadan People's Party, and then joined the Action Group under Chief Obafemi Awolowo.