King Charles III has the Royal Standard of the United Kingdom as his flag after becoming King in 2022 upon the death of Queen Elizabeth II.
As King of Australia[]
- Main article: Australia/Royal Standard
Following the death of his mother, Elizabeth II, Charles ascended to the throne and became the King of Australia. A new royal standard of Australia was designed for all monarchs after Elizabeth II, including Charles III, which removes the late queen's royal cypher.
As King of Canada[]
- Main article: Canada/Royal Standards
Following the death of his mother, Elizabeth II, Charles ascended to the throne and became the King of Canada. A new royal standard of Canada was designed for all monarchs after Elizabeth II, including Charles III, which removes the late queen’s royal cypher.
As Prince of Wales[]
In 1952, Charles became the Prince of Wales after the death of George VI and succession of Queen Elizabeth II.