Ilona Royce Smithkin (March 27, 1920 – August 1, 2021) was a Polish-born American artist, author, model, and performer. Her work included appearances in films such as Advanced Style and Ilona, Upstairs, in the television series Ilona's Palette, Painting with Ilona, and Finishing Touches with Ilona, and the books Painting with Ilona, Joy Dust, and Ninety-Nine: Straight Up, No Chaser. Smithkin turned 100 in March 2020 and died in August 2021 at the age of 101.