Olive is:

• Olive (tree) (Olea), a genus of about 20 species of small trees in the family Oleaceae.
• olive (fruit), the fruit of this tree.
• olive (color), a dark green/brown colour.
• Olive Tree, an Italian political alliance.
• Olive (band), a musical group.
• DJ Olive
• The olivary body, part of the brain.
• A type of mollusk similar to the cowry.
• Olive (retailer), a deli chain from Manchester, England.
• Olive Garden a popular American restaurant chain
• Anyone named Olive, from the _Ol-Oo#Oli_-_Oll
• Olive (plumbing), a brass ring used in plumbing.
• OLIVE_(program) - Optical Layout Including Video Elements Software
• Olive (magazine), a Japanese fashion magazine
• Olive Green, a pseudonym for author Myrtle Reed.