- A concave vessel for drinking from, usually made of opaque material.
- A trophy in the shape of an oversized cup.
- A contest for which a cup is awarded.
- One of the two parts of a brassiere which each cover a breast, used as a measurement of size.
- A US unit of liquid measure equal to 8 fluid ounces, 1/16 of a US gallon, or 236.5882365 ml.
- A suit of the minor arcana in tarot, or one of the cards from the suit.
- In mathematics, a symbol denoting union and similar operations.
- In medicine, a flexible concave membrane used to temporarily attach a handle or hook to a flat surface by means of suction.
- In US sports, rigid concave protective covering for the male genitalia.
- In golf, a cup-shaped object placed in the target hole.
- In ultimate frisbee, a defensive style characterized by a three player near defence cupping the thrower, or those three players.