'Abbās b. Muḥammad Riḍā Qummī (Arabic: عباس بن محمد رضا القُمي) (b. 1294/1877 - d. 1359/1941), known as Shaykh ʿAbbās Qummī (Persian: شیخ عباس قمی) and Muḥaddith Qummī (Persian: محدّث قمی), was a prominent Shi'a figure in the 14th/20th century in the fields of hadith, Islamic history, sermons (wa'z), and religious orations (khataba). He has authored many books in different domains the best-known of which are Mafatih al-jinan, Safinat al-bihar, and Muntaha al-amal.

