Mabel Segun, NNOM (born 1930) is a Nigerian poet, playwright and writer of short stories and children's books.

She attended the University of Ibadan, graduating in 1953 with a BA degree in English, Latin and History.

[3] She was a founding member of the Association of Nigerian Authors, established by Chinua Achebe in 1981.

[2] In 2009, she received the Nigerian National Order of Merit Award (NNOM) for lifetime achievements.

[8] In 2015, the Society of Young Nigerian Writers under the leadership of Wole Adedoyin founded the Mabel Segun Literary Society, aimed at promoting and reading the works of Mabel Segun.