James McColl Dickson (1854 – 16 March 1937) was a Reform Party Member of Parliament in New Zealand. Dickson was born in Victoria in 1854. He came to Otago as a nine-year-old and continued his schooling there. Together with his brother, he was for many years a sawmiller. He then had a farm at Portobello for the next 40 years breeding stock. Dickson's wife died before him. Dickson lived at his son-in-law's place in the Dunedin suburb of Roslyn when he died on 16 March 1937. He was survived by three sons and two daughters.