Oluwatosin "Tosyn" Bucknor (15 August 1981 – 19 November 2018) was a Nigerian writer, singer-songwriter, radio and television host, social media content creator and a Vlogger[1] who died of sickle cell anaemia.

She did her National Youth Service Corps at Port Harcourt, opting to teach Literature-In-English and English at Archdeacon Crowther Memorial Girls' School, Elelenwo.

[5] Radio for Tosyn started with Tee A on Eko 89.7FM after which she interned at Cool FM Nigeria where she hosted the Fun Hour Show on Saturdays.

[11] – Performed at Naijazz, Laff and Jamz, Swe Hip hop Valentine, Muson Jazz Festival, Trip City and Friends, My Groovy Valentine, Wax Lyrical, Inspiration Fm Family Festival, Fashion Show at Rehab, One Soul's Album Launch, Music For Soul at Ember Creek, Koffi's Green Zone at Unilag, ONE MIC NAIJA.

Her writing credits include (but not limited to): Tosyn married her French boyfriend Aurélien Boyer 15 November 2015 at Landmark Events Centre, Oniru.