Donald Patrick John Ferguson (18 September 1907 – 6 December 1987) was an Australian politician.
He was born in Geelong to manager John Edward Ferguson and Mary Catherine McDonald.
He attended local Catholic schools and worked for a rope making firm, first as a fitter and turner and eventually as an engineer.
In 1952 he was elected to the Victorian Legislative Council as a Labor Party member for South Western Province.
After politics he became chairman and managing director of Rodda Manufacturing.