Sharaf al-Din (Arabic: شرف الدين, romanized: Sharaf al-Dīn, lit. 'Honor/Eminence of the Faith') and Sharif al-Din (Arabic: شریف الدین) are two related male Muslim given names. The Turkish form of the name is Şerafettin. They may refer to:

• Sharaf al-Din Qaraqush (d. 1212), Ayyubid commander and adventurer
• Abd al-Husayn Sharaf al-Din al-Musawi (1872–1957), Shi'a twelver Islamic scholar
• Abdullah-Al-Muti Sharfuddin (1930–1998), Bangladeshi educationalist and popular science writer
• Al-Hadi Sharaf ad-Din (1820–1890), claimant for the Zaidi imamate of Yemen
• Sharaf ad-Din Ali Yazdi (died 1454), 15th-century Persian historian
• Sharaf al-Dīn al-Ṭūsī (1135–1213), Persian mathematician and astronomer of the Islamic Golden Age
• Sharafuddin of Selangor (born 1945), sultan of Selangor, Malaysia since November 2001
• Sharfuddin Abu Tawwama (d. c. 1300), Islamic scholar based in Bengal
• Sharfuddin Shah Wilayat, early Iraqi Sufi, active in India
• Sheikh Sharaf ad-Din ibn al-Hasan (died 1258), head of the ‘Adawiyya Ṣūfī Order
• Syed Sharifuddin Pirzada (1923–2017), Pakistani lawyer and politician
• Shaikh Sharafuddeen Bu Ali Qalandar Panipati, known as Bu Ali Shah Qalandar, thirteenth century Azerbaijani-Indian Sufi saint
• Sharfuddin (politician), Indian politician from Bihar
• Sharaf U Dheen (born 1984), or Sharafudheen, Indian actor in Malayalam-language films

Şerafettin

• Kötü Kedi Şerafettin, Turkish comic series about the anthropomorphical cat of same name. Later adapted on film as Bad Cat.
• Şerafettin Elçi (1938–2012), Turkish politician of Kurdish origin
• Şerafettin Işık, pen-name of Hamit Zübeyir Koşay (1897–1984), Turkish archaeologist, ethnographer, writer and folklore researcher
• Şerafettin Taşliova, or Şeref Taşlıova (born 1938), Turkish poet and storyteller
• Şero, mascot cat of Turkey's Republican People's Party headquarters