The Birthday Honours 2011 for the Commonwealth realms were announced on 11 June 2011 in the United Kingdom, New Zealand, Barbados, Grenada, Papua New Guinea, Solomon Islands, Tuvalu, Saint Lucia, Antigua and Barbuda, and on 13 June 2011 in Australia to celebrate the occasion of the Queen's Official Birthday for 2011. The recipients of honours are displayed or referred to as they were styled before their new honour and arranged first by country, honour and where appropriate by rank (Knight Grand Cross, Knight Commander etc.) then division (Military, Civil, Overseas or Police list).