Julien may refer to:
- a French adjective meaning related to Julius Caesar
- Julien (album), a 1973 album by French singer Dalida
- Julien (given name)
- Julien (opera), a 1914 poème lyrique or opera by composer Gustave Charpentier
- Julien (surname)
- Julien-K, an electronic music group based in Long Beach, California
- Julien's Auctions, an auction house in Los Angeles, California, United States
- Julien's Restorator (ca.1793-1823), a restaurant in Boston, Massachusetts, United States
- Julien Day School, a co-educational primary, secondary and senior secondary school in Kolkata, West Bengal, India
- Julien Donkey-Boy, a 1999 independent drama film written and directed by Harmony Korine
- Julien Hall (Boston), a building built in 1825 in Boston, Massachusetts, United States
- Julien Inc., a Canadian stainless steel fabrication company
- Automobiles Julien, a former French automobile manufacturer
- Brasserie Julien, an American restaurant in New York City, United States
- Camp Julien, the main base for the Canadian contingent of the International Security Assistance Force in Kabul, Afghanistan
- Fort Julien, a fort in Egypt originally built by the Ottoman Empire and occupied by the French
- Pont Julien, a Roman stone arch bridge over the Calavon river in the south-east of France
- Saint-Julien (disambiguation)
- The Story of Marie and Julien, a 2003 French drama film directed by Jacques Rivette