Christmas tree (disambiguation)

A Christmas tree is a festive decoration. It may also refer to:

• Christmas tree (aviation), a term for alert aprons of the United States Air Force during the Cold War
• "Christmas Tree" (Lady Gaga song), a 2008 single by Lady Gaga and Space Cowboy
• Christmas tree (oil well), an assembly of valves used in oil and gas extraction
• The Christmas Tree (1969 film), French film, also known as L'Arbre de Noël
• The Christmas Tree (1996 film), a 1996 TV movie starring Julie Harris and Andrew McCarthy
• The Christmas Tree (novel), a 1981 novel by Irish author Jennifer Johnston
• Christmas tree bill, a political term referring to a bill in the U.S. Congress that attracts many, often unrelated, floor amendments
• The Christmas Tree Cluster, a distinctive star cluster of the astronomical object NGC 2264 in Monoceros constellation
• 'Christmas Tree' formation, a pattern of positions in football
• Christmas Tree Lane, a boulevard in Altadena, California
• Christmas tree packet, a unit of data used in information technology
• Metrosideros excelsa, the pōhutukawa, a New Zealand plant also known as the Christmas tree
• Nuytsia floribunda, a West Australian plant of the genus Nuytsia, also known as the Christmas tree
• Spirobranchus giganteus, a small, tube-building polychaete worm commonly known as the "Christmas tree worm"
• O Christmas Tree, the English version of the song O Tannenbaum
• Christmas tree (drag racing), the series of lights used to start drag races.