List of butterflies of Great Britain

This is a list of butterflies of Great Britain, including extinct, naturalised species and those of dubious origin.

[3] The 2007 UK Biodiversity Action Plan (BAP) listed 22 butterfly species.

[4] The 2011 Red List of British butterflies lists 4 species as "regionally extinct" (RE), 2 as "critically endangered", 8 as "endangered (E), 9 as "vulnerable" (V), 11 as "near threatened" (NT) and 28 as "least concern" (LC) in a UK context.

[6] Range expansions according to the 2010 Atlas of Butterflies in Britain and Ireland.

[7] Butterfly Conservation lists 29 of Great Britain's 58 breeding butterfly species as "High UK threat priority", with 9 of those with conservation priority status "Action urgent across UK range".