Simisola Olayemi Onibuwe Johnson, (1929 – 2000)[1] was a Nigerian dentist and women's advocate who served as Minister for Social Development and Culture during the nation's second republic.
[2] Her father was a lawyer and a founding director of the National Bank of Nigeria in 1933, her maternal great-great-grandfather was Ajayi Crowther, while her great-grand-uncle was Herbert Macaulay.
[3] She and fellow Nigerian, Grace Guobadia, graduated in the same year, becoming the first two trained female dentists in the country.
[4] After the Shagari administration, Johnson continued to play an advisory role in gender affairs.
In 1985, she was head of Nigeria's delegation to the Third World Conference on Women, held in Nairobi, Kenya.