Eleftheria "Ria" Karadimou (Kavala June 27, 1967) is a Greek DIY writer, director, screenwriter, lyricist and actress, known for her improvised television series. When Karadimou lost her job, she started writing texts and screenplays.

Within 5 days she wrote her first script for the short film Bloody Will, which she shot with the participation of a group of people from Kavala. She submitted the film in 2010 to the Drama Short Film Festival. A year later, she shot her second short film, On the Razor's Edge, for which she wrote the title song.