Robert Hervey (August 10, 1820 – December 16, 1903) was the third mayor of Bytown in 1849.

He came to Canada where he studied law and was admitted to the bar in 1842.

He partnered in a law practice in Bytown with John Bower Lewis.

Hervey was mayor at the time of the Stony Monday Riot where supporters of Hervey, a Tory, clashed with Reformists in what is now the Byward Market area.

He was one of the founding members of the Chicago Bar Association.