Ustād or Ostād (abbreviated as Ust., Ut. or Ud.; from Persian استاد) is an honorific title for a man used in the Middle East, South Asia and Southeast Asia. It is used in various languages of the Muslim World, including Persian, Urdu, Hindi, Bengali, Dhivehi, Punjabi, Pashto, Turkish, Indonesian, Malay and Kurdish.
The title is also used for qualified Islamic scholars in Indonesia, Malaysia, the Philippines, and Singapore. It is a direct equivalent of terms such as Shaykh in the Arab world, and Mawlānā in the Indian Subcontinent. In the Maldives, the title is used by people who are licensed to practice law in the Maldives.