Knightley was named in this year's Queen's Birthday Honours list in the UK and will receive an OBE.
British actress Keira Knightley will receive an OBE for her services to drama and charity.
Knightley, who has starred in several blockbuster films since her breakthrough role in Bend It Like Beckham more than 15 years ago, was named in this year's Queen's Birthday Honours list in the UK.
The service will be conducted by the Prince of Wales at Buckingham Palace.
Australian Associated Press