Robert Duncan Wilmot, PC (16 October 1809 – 13 February 1891) was a Canadian politician and a Father of Confederation.

He was the son of John McNeil and Susanna (Susan) Harriet (born Wiggins) Wilmot.

He was a New Brunswick delegate to the London Conference of 1866, which settled the final terms for Canadian Confederation.

Wilmot resigned from the Senate on 10 February 1880 and was appointed the sixth Lieutenant Governor of New Brunswick.

[2] He is buried in Sunbury County Oromocto Anglican Church cemetery on Broad Road.