Bull Run may refer to:

• Bull Run (Occoquan River), a stream in Fairfax, Loudoun, and Prince William counties, Virginia
  • First Battle of Bull Run (First Manassas), the first major battle of the American Civil War
  • Second Battle of Bull Run (Second Manassas), a later battle that took place at Bull Run
  • Bull Run, a young adult novel by Newbery Honor winner Paul Fleischman about 16 characters at the First Battle of Bull Run
  • Bull Run Mountains, a mountain range in Fauquier, Loudoun, and Prince William counties, Virginia
• Bull Run Watershed, a watershed in Oregon
  • The Bull Run Hydroelectric Project, a dam project in Oregon
• Bull market, an economic trend
• Bullrun, a reality television show on Spike TV based on the Bullrun road rally.

See also: Bull Run is a free-flowing tributary stream of the Potomac River that originates from a spring in the Bull Run Mountains in Loudoun County, Virginia and flows south to the Occoquan River. ... Combatants United States of America Confederate States of America Commanders Irvin McDowell Joseph E. Jonston P.G.T. Beauregard Strength 35,000 effectives 32,500 effectives Casualties 2,896 (460 killed, 1,124 wounded, 1,312 captured/missing) 1,982 (387 killed, 1,582 wounded, 13 missing) The First Battle... Combatants United States of America Confederate States of America Commanders John Pope Robert E. Lee James Longstreet Stonewall Jackson Strength 63,000 54,000 Casualties 1,747 killed 8,452 wounded 4,263 captured/missing 1,553 killed 7,812 wounded 109 captured/missing The Second Battle of Bull Run... Written by Newberry Winner Paul Fleischman, the novel is the monolgouges of sixteen fictious characters and how they connect to the First Battle of Bull Run in the American Civil War in 1861. ... The Bull Run Mountains are the easternmost mountain chain in the U.S. state of Virginia, stretching approximately sixteen miles in Loudoun, Prince William and Fauquier counties from Broad Run to Aldie. ... The watershed contains much old-growth forest, such as this Douglas Fir forest. ... Bull and bear statues in front of the Frankfurt Stock Exchange In investing, financial markets are commonly believed to have market trends that can be classified as primary trends, secondary trends (short-term), and secular trends (long-term). ... Bullrun is an American reality television series where 12 teams compete in a 4,000-mile road rally to win the grand prize of $200,000. ... A road rally is a car rally that takes place on the public road. ...

• Encierro, the "running of the bulls" such as found in Pamplona, Spain.