Richard Randolph Machattie (1843 – 27 December 1902) was an Australian politician.
He was born at Bathurst to a medical doctor, and he attended Bathurst Grammar School.
He became a government surveyor, generally in the Carcoar and Bathurst districts.
In 1882 he was elected to the New South Wales Legislative Assembly for Bourke, but he was defeated in 1885.
A squatter at Brewarrina from 1884, the 1890s drought forced him to abandon his properties.