• Top (BDSM), a person who assumes the dominant role in a BDSM relationship
• Top (comics), a supervillain character from the DC Comics universe
• Top (clothing), clothing that is designed to be worn over the torso
• Top (sailing ship), a part of a ship's rigging
• Top, a nickname for Master Sergeants in the United States Marine Corps and First Sergeants in the United States Army
• Top (sex) in gay sex refers to the insertive partner

Computers

• top (Unix), a standard Unix command
• Top type, in computer science type theory, the data type containing all others

Math and physics

• Top (category theory), a category of topological spaces or topological manifolds
• Top element, in lattice theory, the greatest element in a partially ordered set
• Top quark, the third-generation up-type quark

Geography

• Top, Oghuz, Azerbaijan
• Top, Zangilan, Azerbaijan
• Top River, a tributary of the Olt River in Romania

See also

• TOP (disambiguation)
• Topping (disambiguation)
• The Top (album), a 1984 album by The Cure