Muhammad ibn Badr (), commonly known as Jajarmi, was a 14th-century Persian poet and anthologist from Isfahan, Iran. Little is known about his life, but he was the son of Badr al-Din ibn Umar Jajarmi, and his only surviving work is an anthology of poems titled Moþnes al-aḥrÃÂr fi daqÃÂþeq al-aà ¡Ã¿ÃÂr ("The Free Man's Companion to the Niceties of Poems").