The 1921 Birthday Honours were appointments by King George V to various orders and honours to reward and highlight good works by citizens of the British Empire. The appointments were made to celebrate the official birthday of The King, and were published on 3 and 4 June 1921.
The recipients of honours are displayed here as they were styled before their new honour, and arranged by honour, with classes (Knight, Knight Grand Cross, etc.) and then divisions (Military, Civil, etc.) as appropriate.
The King appointed the following to His Majesty's Most Honourable Privy Council of the United Kingdom:
The King appointed the following to His Majesty's Most Honourable Privy Council of Ireland: