Allama Abd al-Rahman al-Sa‘di (1889–1956) was a leading Saudi scholar known for his deep knowledge of Qur’an, Hadith, and Islamic jurisprudence. He authored many influential works, most notably Tafsir al-Sa‘di, recognized for its clarity, simplicity, and accessibility to both students and general readers. His balanced approach and dedication to spreading authentic knowledge made him one of the most respected scholars of his era.