Guillaume de Salluste du Bartas (Occitan: Guilhèm de Sallusti deu Bartàs, IPA: [ɡiˈʎɛm de salˈlysti ðeu βarˈtas]; 1544, in Monfort – July 1590, in Mauvezin) was a Gascon Huguenot courtier and poet. Trained as a doctor of law, he served in the court of Henri of Navarre for most of his career. Du Bartas was celebrated across sixteenth- and seventeenth-century Europe for his divine poetry, particularly L'Uranie (1574), Judit (1574), La Sepmaine; ou, Creation du monde (1578), and La Seconde Semaine (1584-1603).