Oloye Sir Joseph Odeleye Fadahunsi, KBE (1901 – 12 May 1986)[1] was a Nigerian businessman and politician who was a vice president of the National Council of Nigeria and the Cameroons.

Fadahunsi developed a relationship with UTC in 1927 and became a buyer under the United Trading Company, a branch of the Swiss Lutheran Church's missionary association, the Basle Mission.

He started his business buying cocoa from farmers and hiring transporters to deliver the produce to the Ibadan office of the United Trading Company.

[3] In 1951, Fadaunsi joined National Council of Nigeria and the Cameroons, he was elected to the regional House of Assembly as a representative of Ilesa South West.

On 16 January 1966 a military coup brought Major General Johnson Aguiyi-Ironsi to power, terminating the first period of democratic rule.