'Header' may refer to:
★
''Header'' (film), the movie adapted from the Splatterspunk author Edward Lee's cult classic novella 'Header'
★
Header (information technology), supplemental data at the beginning of a data block
★
Header file, a text file used in computer programming (especially in C or C++)
★
Page header, in printing or typography the material separated from the main body and appears at the top of a page
★ An
exhaust manifold in automotive engineering
★ A
lintel in building construction
★ An electronic component which supplies a physical interface (usually a
connector of some type) to a group of signal lines or PCB traces.
★ Use of the player's head to direct the ball in
association football (soccer)
★ A competitor in the
team roping rodeo event who specializes in roping a steer's head
★ A
herding dog with a specific method of interacting with its flock
★ 'Take a header', to fall headlong or upon one's head, especially from a
penny-farthing bicycle