Firouz (Persian: فیروز; also spelled Farooz, Firuz, Pirooz, Firoz), Pirouz (Persian: پیروز, also spelled Pirooz, Piruz, Piroz), Feroz (Hindi/Urdu; also spelled Feroze, Phiroze), Fayrouz (Arabic: فيروز), Phiroj, are masculine given names of Persian origin. It is ultimately derived from Middle Persian Pērōz (Inscriptional Pahlavi: 𐭯𐭩𐭫𐭥𐭰, Book Pahlavi: ), meaning "victorious, triumphant or prosperous",^[1] mentioned as Perozes (Περόζης) in Latin and Greek sources.

Notable figures with the name include:

• Abu Lu'lu'a Firuz, also known as Firuz Nahavandi, Persian slave who killed the second caliph Umar
• Feroze Gandhi, an Indian politician and journalist
• Firoz Khan, known as Arjun, Indian actor
• Feroz Khan, an Indian actor, film editor, producer and director
• Feroze Khan (field hockey), a field hockey player who represented British India in the Olympics
• Feroz Abbasi, a British man held in extrajudicial detention in the United States Guantanamo Bay detainment camps in Cuba
• Feroz Khan Noon, a politician from Pakistan
• Feroz Abbas Khan, an Indian theatre and film director, playwright and screenwriter
• Firouz – a wealthy Armenian Christian convert to Islam who held a high post in Yaghi-Siyan's Seljuk Turkish government.
• Firuz Shah Tughlaq (r. 1351–1388 CE), a ruler of the Tughlaq dynasty in India
• Firuz Kanatlı Turkish businessman, founder of Eti.
• Firuz Kazemzadeh, a professor emeritus of history at Yale University
• Firuz-Shah Zarrin-Kolah, an Iranian dignitary with Kurdish origin
• Peroz I, a king of Iran from the house of Sassanids who ruled 457–484
• Peroz II, a king of Iran from the house of Sassanids who ruled Oct. to Dec. 631 AD
• Piruz Khosrow, Persian aristocrat who murdered Queen Boran
• Peroz III, exiled Persian prince who traveled to Tang dynasty China and became a general and governor
• Peruz Terzekyan, b. Sivas 1866, a kanto singer
• Pirouz Davani, an Iranian leftist activist
• Pirouz Mojtahedzadeh, an Iranian political scientist and historian
• Farooq Feroze Khan, a Pakistan Air Force officer
• Jam Feroz, the last ruler of the Samma dynasty of Sindh
• Jalal ud din Firuz Khalji, the first Indian ruler of the Delhi Sultanate and the founder of the Khalji dynasty
• Alauddin Firuz Shah I, the son and successor of sultan Shihabuddin Bayazid Shah
• Alauddin Firuz Shah II, the son and successor of sultan Nasiruddin Nasrat Shah
• Rukn ud din Firuz, a Muslim Turkic ruler and the fourth Sultan of Delhi in medieval India
• Fairuz, a Lebanese singer
• Pherozeshah Mehta
• Shamsuddin Firoz Shah, Sultan of Bengal from 1301 to 1322

• Hajji Firuz, the traditional herald of Nowruz

Pirouz (cheetah) Male Asiatic cheetah

• Piruz, Iran, a village in Hamadan