Blocking may refer to:

In telecommunications:

• Block size (data storage and transmission), the formatting of data into blocks for purposes of transmission, storage, checking, or other functions
• Block storage, a sequence of bytes or bits, having a nominal length
• Block (internet), technical measures to restrict users' access to certain internet resources

In theatre or film:

• Blocking (stage), the movement and positioning of actors on the stage (and in film, within the frame)
• Blocking (improv), in improvisation, an actor who does not accept the dramatic world set up by other actors

Blocking may also refer to:

• Blocking (textile arts), the process of stretching a knitted garment into shape while wet or using steam
• Blocking (American football), the legal interference with another player's motion
• Blocking (statistics), in the design of experiments, the arranging of experimental units in groups (blocks) which are similar to one another
• Blocking (martial arts), a defensive technique in martial arts
• Blocking (construction), horizontal boards placed between wall studs to facilitate hardware attachment
• Blocking (scheduling), means one task is prevented from continuing until another has completed.
• Blocking (computing), not returning from a function until the function has completed or errored
• A component of stuttering
• A type of thought disorder
• Blocking effect, in psychology
• Parrying, a defensive combative techniqe
• The presence of a block artifact in compressed images
• Facing (retail), pulling items forward to make the shelves look full
• Defense (sport), defending from attacks by an opponent
• A Cantonese food classification

See also

• Block

Blocking (biochemistry) protecting proteins from unspecific binding.

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