Toluwalogo Ajayi (born 1946) is a Nigerian poet and writer of fiction. Born in Ijebu-Ode, Ogun State, Ajayi was educated in Nigeria and the United Kingdom; in the latter country, he qualified in 1970 as a physician at the University of Liverpool Medical School. He also specialized in psychiatry at Memorial University in Newfoundland, Canada.

Most of Ajayi's novels and stories draw on his medical experience.

Works by Tolu Ajayi:

• The Year (1981)
• The Lesson (1985)
• The Ghost of a Millionaire (1990)
• Eyes of the Night (1992 short story collection with his 1990 BBC World Service winning story "Family Planning")
• Images of Lives (1992 poetry collection)
• Motions and Emotions (1993 poetry collection)
• After A Bad Moon (1995 story collection)