Bahauddin Khorramshahi or Baha'uddin Khorramshahi (Persian: بهاءالدین خرمشاهی; born April 1, 1945, in Qazvin) is an Iranian writer, translator, philosopher, journalist, satirist, lexicographer, researcher, poet, and university teacher.

Initially enrolled in the field of medicine, he later switched his focus to Persian literature, studying under several renowned writers of the time, including Ghadam-Ali Sarami.

He earned a master's degree in librarianship from Tehran University (1971 to 1973) and subsequently worked at the library service center.

[2] His professors in Persian literature included, Zabihollah Safa, Mehdi Mohaghegh, Jafar Shahidi, Parviz Natel-Khanlari, Seyed Sadiq Goharin (fa), Abolhasan Shearani, and Abdul Hamid Badi Al-Zamani Kurdistani (fa).

His success in Quranic research is indebted to the book "Qanun Tafsir" and its author, Seyyed Ali Kamali Dezfouli.