No goal is a call made by referee

Referee

A referee is the person of authority, in a variety of sports, who is responsible for presiding over the game from a neutral point of view and making on the fly decisions that enforce the rules of the sport...

s in various goal

Goal (sport)

Goal refers to a method of scoring in many sports. It can also refer to the physical structure or area of the playing surface where scoring occurs....

-scoring sports (football

Football (soccer)

Association football, more commonly known as football or soccer, is a sport played between two teams of eleven players with a spherical ball...

, hockey

Hockey

Hockey is a family of sports in which two teams play against each other by trying to maneuver a ball or a puck into the opponent's goal using a hockey stick.-Etymology:...

, etc.) to indicate that a goal has not been scored. It is commonly used to disallow an apparent goal, such as when the ball or puck has entered the net but should not count as a score due to some foul or infraction.

Because the decision often depends on a subjective assessment by the referee, and especially if the score might be critical, such calls can be hotly contested. For fans of one of the teams involved, it may thus refer to a goal that was actually disallowed, or one that in their opinion should have been disallowed, but was not.