Robert Coulter Booth (1846 – 13 January 1918) was an Australian politician.
He was born in Ballyreach in Ireland; his father was James Coulter Booth.
He arrived in New South Wales in 1867, and after a short period at Kiama he moved to Sydney to work with the Wesleyan schools in Surry Hills.
On 13 November 1869 he married Priscella Jane Corbett at Enniskillen.
He was defeated in 1907, and subsequently worked as a real estate agent.