Robert Jocelyn, 2nd Earl of Roden KP, PC (Ire) (26 October 1756 – 29 June 1820) was an Irish peer, soldier and politician. He was styled The Honourable from his birth to 1771, and then Viscount Jocelyn from 1771 to 1797. He was the eldest son of the 1st Earl of Roden and Lady Anne Hamilton, daughter of James Hamilton, 1st Earl of Clanbrassil. He was appointed Custos Rotulorum of Louth for life in 1820.