Wilbert David Dimock (November 27, 1846 – August 23, 1930) was a Canadian teacher, principal, journalist and politician.
Born in Onslow, Nova Scotia, the son of Rev. D. W. C. Dimock, Dimock was educated at the Model Schools of Truro and at Acadia University where he graduated with a Bachelor of Arts degree in 1867. He was a teacher and later became principal of the North Sydney Academy and the Model Schools at Truro. In 1883, he was the secretary and treasurer of the Canadian Department Internal Fisheries Exhibition held in London, England. In 1886, he was the agent for the Nova Scotia Industrial and Colonial Exhibition also held in London. In 1889, he was the manager of the Maritime Province Exhibition held in Moncton, New Brunswick. In 1891, he was the superintendent of the Canadian section of the Jamaica Exhibition. In 1893, he was secretary of the Canadian section at the World's Columbian Exposition was held in Chicago.
In 1894, he became editor of the Truro News. He was elected to the Nova Scotia House of Assembly in 1894 for the electoral district of Colchester County. He resigned in 1896 and was elected to the Canadian House of Commons for the electoral district of Colchester. A Conservative, he was unseated in 1897 when the election was declared void. He did not run in the resulting by-election.