Helium, in science and astronomy, may refer to:

• Helium, chemical element
  • Helium-3, an isotope of helium
  • Helium-4, an isotope of helium
• Helium dating, a method of determining the age of rocks
• Helium fusion, a type of nuclear fusion in stars
• Helium flash, the sudden beginning of helium fusion in certain kinds of stars

Helium may also refer to:

• Helium (Haskell), programming language and compiler for learning Haskell
• Helium (band), American rock band
• Helium (album), 2006 album by British group Urban Myth Club
• Helium.com, peer reviewed citizen journalism website
• The Late B.P. Helium, recording project and stage name of Bryan Poole
• Helium, a city on Barsoom, from a series of novels by Edgar Rice Burroughs
• Helium (scripting language), a scripting language used by WidSets, a Java-based widget-platform for mobile devices

fr:Helium (homonymie)