Olusegun Adejumo is a Nigerian visual artist, known for his female figure drawings and paintings.
He is the director of One Draw Gallery and currently the president of the Guild of Professional Fine Artists Nigeria.
He attended the Yaba College of Education 1982 to 1987 and graduated with a Higher National Diploma (HND) in Painting.
From 1987 to 1988, he served as a Painting Assistant Lecturer at the Lagos State Polytechnic.
He has participated in several exhibitions, showing with other veteran Nigerian artists Ebenezer Akinola, George Edozie and Gerald Chukwuma.