Donald Mackintosh (16 May 1840 – 5 May 1932) was a farmer and member of the Queensland Legislative Assembly.

[1] Mackintosh was born in Lochaber, Scotland, to parents James Mackintosh and his wife Mary (née Macarthur) and was educated in the local Lochaber village school.

[1] On his arrival in Australia he was a drover and the manager of the Glencoe Farm near Warwick.

Having been a member of the Jondaryan Divisional Board, Mackintosh, for the Ministerialists, represented the seat of Cambooya in the Queensland Legislative Assembly from 1899 until the seat was abolished in 1912.

[1] In 1866, Mackintosh married Catherine Cowley (died 1907)[2] and together had five sons and three daughters.