Robert Cousins (7 December 1863 - 18 October 1933) was a Scottish Australian builder. He is best known for his work constructing such heritage-listed buildings as Avonleigh, the Rockhampton Girls Grammar School and the Bulletin Building, and for establishing the company R. Cousins & Co. Cousins is also known for his time serving with Rockhampton City Council, to which he was first elected to as an alderman in 1921.