Oscar François de Jarjayes is a fictional character created by Japanese manga artist Riyoko Ikeda. She is a major character in the 1972 manga series The Rose of Versailles, and its various adaptations and spin-offs.

The Rose of Versailles , also known as Lady Oscar and La Rose de Versailles, is a Japanese manga series written and illustrated by Riyoko Ikeda. It was originally serialized in the manga magazine Margaret from 1972 to 1973, while a revival of the series was published in the magazine from 2013 to 2018. The series is a historical drama set in the years preceding and during the French Revolution. Using a combination of historical personages and original characters, The Rose of Versailles focuses primarily on the lives of two women: the Queen of France Marie Antoinette, and Oscar François de Jarjayes, who serves as commander of the Royal Guard.