Robert Dillon

• Robert Dillon, Irish judge
• Robert Dillon, Irish lawyer, judge and politician
• Robert Dillon, 1st Baron Clonbrock, Irish politician
• Robert Dillon, 2nd Earl of Roscommon, Irish peer
• Robert Dillon, 3rd Baron Clonbrock, Irish peer
• Robert A. Dillon, American screenwriter and film director
• Robert Sherwood Dillon, United States Ambassador to Lebanon