Merzifonlu Kara Mustafa Pasha was an Ottoman nobleman, military figure and Grand Vizier of Turkish origin, who was a central character in the Ottoman Empire's last attempts at expansion into both Central and Eastern Europe.

Pasha was a high rank in the Ottoman political and military system, typically granted to governors, generals, dignitaries, and others. Pasha was also one of the highest titles in the 20th-century Kingdom of Egypt and it was also used in Morocco in the 20th century, where it denoted a regional official or governor of a district.