Sa'id bin Ali bin Wahf Al-Qahtani

Sa'id bin Ali bin Wahf Al-Qahtani (1952–2018) was a Saudi Arabian Muslim scholar and writer. Qahtani was born in the village of Al-Arin, 'Asir region, in 1952.

He Al-Qahtani received a doctorate from the College of the Fundamentals of Religion of the Imam Mohammad Ibn Saud Islamic University in Riyadh, which is considered to be a Wahhabi educational institution. Later, he served as the imam of mosque in Saudi Arabia. He has authored about eighty books, the most famous of which is the 1988 book Hisn al-Muslim (Fortress of the Muslim). He also wrote a biography of Muhammad, Rahmatan li‑l‑Ālamīn: Muhammad Rasūl Allāh (Mercy to the Worlds: Muhammad Messenger of God).

He was suffering from liver cancer and died on October 1, 2018, in Riyadh.