List of Famous people born in Razavi Khorasan Province, Iran

Grand Ayatollah Sayyid Ali al-Husayni al-Sistani, commonly known as Ayatollah Sistani, is one of the most influential Iraqi Shia marja' of Iranian origins living in Iraq.

Mohammad-Reza Shajarian was an Iranian vocalist and master (Ostad) of Persian traditional music. He was also known for his skills in Persian calligraphy and humanitarian activities.

Anousheh Ansari is an Iranian American engineer and co-founder and chairwoman of Prodea Systems. Her previous business accomplishments include serving as co-founder and CEO of Telecom Technologies, Inc. (TTI). The Ansari family is also the title sponsor of the Ansari X Prize. On September 18, 2006, a few days after her 40th birthday, she became the first Iranian and first female Muslim in space. Ansari was the fourth overall self-funded space tourist, and the first self-funded woman to fly to the International Space Station. Her memoir, My Dream of Stars, co-written with Homer Hickam, was published by Palgrave Macmillan in 2010.

Ali Baghbanbashi was an Iranian long-distance runner who competed in the 1952 Summer Olympics and in the 1956 Summer Olympics, and also in the 1951 Asian Games and 1958 Asian Games. He was born in Torghabeh, Iran, and specialized in the 3000 metres, 5000 metres, 10000 metres, and marathon.

Abul-Qâsem Ferdowsi Tusi, or just Ferdowsi was a Persian poet and the author of Shahnameh, which is one of the world's longest epic poems created by a single poet, and the national epic of Greater Iran. Ferdowsi is celebrated as one of the most influential figure in Persian literature and one of the greatest in the history of literature.

Alireza Faghani is an Iranian international football referee who has been officiating in the Persian Gulf Pro League for several seasons and has been on the FIFA list since 2008. Faghani has refereed important matches such as the 2014 AFC Champions League Final, the 2015 AFC Asian Cup Final, the 2015 FIFA Club World Cup Final, the 2016 Olympic football final match. He has refereed matches in the 2017 Liga 1, 2017 FIFA Confederations Cup, 2018 FIFA World Cup in Russia and the 2019 AFC Asian Cup. Alireza migrated to Australia in September 2019.

Muhammad ibn Muhammad ibn al-Hasan al-Tūsī, better known as Nasir al-Din al-Tusi, was a Persian polymath, architect, philosopher, physician, scientist, and theologian. Nasir al-Din al-Tusi was a well published author, writing on subjects of math, engineering, prose, and mysticism. Additionally, al-Tusi made several scientific advancements. In astronomy, al-Tusi created very accurate tables of planetary motion, an updated planetary model, and critiques of Ptolemaic astronomy. He also made strides in logic, mathematics but especially trigonometry, biology, and chemistry. Nasir al-Din al-Tusi left behind a great legacy as well. Some consider Tusi one of the greatest scientists of medieval Islam, since he is often considered the creator of trigonometry as a mathematical discipline in its own right. The Muslim scholar Ibn Khaldun (1332–1406) considered Tusi to be the greatest of the later Persian scholars. There is also reason to believe that he may have influenced Copernican heliocentrism.

Ahmad Ahmadi, known as Pezeshk Ahmadi meaning Physician Ahmadi, was born in Mashhad to Mohammad Ali Ahmadi. He worked as a nurse at Qasr prison in Tehran, where he was ordered to kill political prisoners; he was later executed for these crimes.

Abū al-Ḥusayn ‘Asākir ad-Dīn Muslim ibn al-Ḥajjāj ibn Muslim ibn Ward ibn Kawshādh al-Qushayrī an-Naysābūrī or Muslim Nayshāpūrī, commonly known as Imam Muslim, was an Islamic scholar, particularly known as a muhaddith. His hadith collection, known as Sahih Muslim, is one of the six major hadith collections in Sunni Islam and is regarded as one of the two most authentic (sahih) collections, alongside Sahih al-Bukhari.

Ali Shariati Mazinani was an Iranian revolutionary and sociologist who focused on the sociology of religion. He is held as one of the most influential Iranian intellectuals of the 20th century and has been called the "ideologue of the Iranian Revolution", although his ideas ended up not forming the basis of the Islamic Republic.