Jules-Alexandre Grün (25 May 1868 – 15 February 1938) was a French Post-Impressionist painter, poster artist, and illustrator.

[1] Grun's best known painting is called The Dinner Party, produced in 1911.

He was employed at a large printing company in Paris and his artistic director was Jules Chéret.

Chéret was also his main competitor in poster art.

This article about a French painter born in the 19th century is a stub.