Blue Horse or Blue Horses may refer to:

• Grullo, a blue dun horse coat color
• Blue roan horse coat color
• Neela (horse), a horse belonging to Guru Gobind Singh, the tenth Sikh guru

• Blue Horse (Lakota leader), Oglala Lakota leader, signatory to the 1868 Treaty of Fort Laramie

• Bleu Horses, a herd of sculptured steel horses by Jim Dolan
• Blue Horses or Die grossen blauen Pferde (The Large Blue Horses), a 1911 painting by Franz Marc
• Little Blue Horse, or Blaues Pferdchen, a 1912 painting by Franz Marc
• Blue Mustang, a statue at Denver International Airport, Colorado, U.S.
• Blue Horse (album), a 2000 album by the Be Good Tanyas
• The Bluehorses, a Celtic rock band from Cardiff, Wales
• The Blue Horse, a 2009 film starring Antonie Kamerling

• Blue Horsehead Nebula (IC 4592)
• Blue Peter (disambiguation), various meanings, including horses
• Brown Bear, Brown Bear, What Do You See?, which references a blue horse