Robert Day

• Robert Day , Irish antiquarian and photographer
• Robert Day , New South Wales politician
• Robert H. Day , lawyer and judge in Ohio
• Robert H. Day , Union officer, railroad engineer and electrical engineer
• Robert Day , Irish politician, barrister and judge
• Robert Day , Irish Labour Party politician from Cork
• Robert Day , American cartoonist
• Robert L. Day, mayor of Boise, Idaho
• Robert Day , English film director
• Robert Day , former Australian rules footballer
• Robert Addison Day, businessman
• Robert Day , American basketball player