Duncan, CD, (1940 – 17 September 2020) was a Jamaican dental surgeon and politician, representing the People's National Party (PNP).

He served as Minister of National Mobilization & Human Resource Development (1977–1980).

[2] Duncan attended McGill University in Canada where he obtained a degree in dentistry in 1965.

[1] Duncan tested positive for COVID-19 on 30 August 2020, during the COVID-19 pandemic in Jamaica and was admitted to hospital.

[11] He died from complications of COVID-19 at the University Hospital of the West Indies, Kingston, Jamaica, on 17 September 2020, aged 80.