ʿAbd-Al-Razzāq B. ʿAlī B. Al-Hosayn Lāhījī was an 11th–17th-century Iranian theologian, poet and philosopher. His teacher in philosophy was Mulla Sadra.
He comes from Lahijan in Gilan but spent most of his life in Qom.
- Gawhar-e morād (Tehran, 1271/1885) in Persian, a detailed exposition of his theology.
- Sarmāya-ye īmān also another work of his in Persian
- Dīvān of his Persian poetry
- Tašrīqāt, containing three treatises in Persian on divine unity, justice and love.
Lāhīǰī stands at the end of a development in Islamic scholastic theology in which the thought system of kalām was gradually replaced by that of falsafa, especially that of the school of Avicenna.