Dr Muhammad Fazil Saalih Samirai is an Islamic author and Arabic language scholar known for his work on Arabic grammar and educational Islamic studies. He is associated with academic and linguistic writings that simplify Arabic grammar concepts for students and learners of the Arabic language.

One of his known works is:

Grammar Hajj (الحج النحوية) — an Arabic grammar-focused educational book published by Dar Ibn Kathir
and available through Islamic bookstores.