Robert Devenish may refer to:

• Robert Devenish (herald) (c. 1637-1704), English herald: Norroy and Ulster King of Arms, 1700–1704
• Robert Devenish (Dean of Cashel) (died 1916), Irish Anglican priest and father of the below
• Robert Devenish (Archdeacon of Lahore) (1888–1973), Irish Anglican priest in England and the colonies

• List of archdeacons of Westmorland and Furness
• List of Archdeacons of Westmorland & Furness
• List of archdeacons of Westmorland & Furness
• List of Archdeacons of Wight
• List of archdeacons of Wight
• List of Archdeacons of Wilts
• List of archdeacons of Wilts
• List of archdeacons of Wiltshire
• List of Archdeacons of Wiltshire
• List of archdeacons of Winchester
• List of Archdeacons of Worcester
• List of archdeacons of Worcester
• List of Archdeacons of Wrexham
• List of archdeacons of Wrexham
• List of archdeacons of York
• List of Archdeacons of York
• List of archdukes of Austria
• List of Arch Enemy songs
• List of Archer characters
• List of archer episodes
• List of Archibald Prize 2007 finalists
• List of Archibald Prize 2008 finalists
• List of Archibald Prize 2011 finalists
• List of Archibald Prize 2012 finalists
• List of Archibald Prize 2013 finalists