Felicia Adebola Adeyoyin (6 November 1938 – 1 May 2021) was a University of Lagos professor and a princess from the Iji ruling house of Saki, Oyo State. She was the author of the Nigerian national pledge.^[1]

Felicia Awujoola was born on 6 November 1938 in Ogbomoso, Oyo State.^[2][3] She attended Idi-Aba a Christian Baptist School from 1953 and graduated in 1957 from its teacher programme.^[2] In 1965 she married Solomon Adedeji Adeyoyin, who had attended Idi-Aba's brother school, the Baptist Boys' High School.^[3][2]

She received her Bachelor's Degree with honors in Geography from Birkbeck, University of London in 1968 and then her Diploma of Education at the same university in 1976,^[4] followed by an M.A. in Social Studies from Columbia University, New York in 1977, before finally earning her PhD in 1981 from the University of Lagos.^[5][6]

Adeyoyin was Professor of Education at the University of Lagos and a consultant for the United Nations.^[2]

In 1976, she wrote the pledge published in the July 15 edition of the Daily Times in an article titled "Loyalty to the Nation, Pledge". Then-Head of State Olusegun Obasanjo modified the pledge and introduced it as the national pledge, decreeing that school children should recite it during assembly.^[7][8][9]

Adeyoyin was also Deaconess of Yaba Baptist Church, Yaba.^[2]

Adeyoyin died on 1 May 2021 after a brief illness.^[10]

In 2005, Adeyoyin was given a national award, the Officer of the Order of the Niger (OON).^[5]