Benjamin Lucas was an English soldier of the seventeenth century who served and settled in Ireland.

This article relies largely or entirely on a single source. (August 2020)

Lucas served as a colonel during the Cromwellian conquest of Ireland and was present at the Siege of Drogheda. He was granted lands around Corofin in County Clare as part of the Cromwellian Settlement of 1652.^[1] He was the great-grandfather of the Irish radical Charles Lucas who served as MP for Dublin City.