Polyommatus poseidon

{{Short description|Species of butterfly}}

{{Speciesbox

| image = Polyommatus_poseidon_male_upperside_(left)_and_underside_(right).jpg

| image_caption = Male upperside (left) and underside (right)

| genus = Polyommatus

| species = poseidon

| authority = (Lederer, 1852)[http://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/lycaenidae/polyommatinae/polyommatus/index.html Polyommatus] at Markku Savela's website on Lepidoptera

| synonyms =

• Lycaena poseidon Lederer, 1852
• Agrodiaetus poseidon
• Lycaena poseidon var. mesopotamica Staudinger, 1892

}}

Polyommatus poseidon is a butterfly of the family Lycaenidae. It was described by Julius Lederer in 1852. It is found from Kütahya in western Turkey to Artvin in north-eastern Turkey, as well as in Georgia.[https://compcytogen.pensoft.net/lib/ajax_srv/article_elements_srv.php?action=download_pdf&item_id=5020 Chromosomal and molecular evidence for presence of Polyommatus (Agrodiaetus) poseidon (Lepidoptera, Lycaenidae) in Caucasus region]