Ali Omar Ermes (Arabic:علي عمر الرميص, born 1945) was a Libyan artist and author. His paintings make use of Arabic calligraphy, often superimposed on a rich-textured ground, and may incorporate fragments of Arabic or other poetry or prose. He had lived in the United Kingdom since 1981, and was the chairman of the in Kensington in west London; he was also active in other intellectual and cultural institutions in that city.