Top hat (disambiguation)

A top hat is a tall hat worn primarily in the 19th and early 20th century.

Top hat, Top Hat, Tophat or Top-hat may also refer to:


 * Top Hat, a 1935 film starring Fred Astaire and Ginger Rogers
 * Top Hat (musical), a 2011 stage musical adapted from the 1935 film
 * Top hat (lighting), a theatrical lighting device
 * Top hat (roller coaster element)
 * TopHat (telescope), a balloon-borne experiment to measure the cosmic microwave background
 * Top Hat (TUGS), a recurring character in the children's television series TUGS
 * Top Hat 25 (and later model Top Hat 27), an Australian-made sailing yacht
 * Top-hat filter, a signal filtering technique
 * Top-hat transform, an operator from mathematical morphology and digital image processing
 * TopHat (bioinformatics), a bioinformatic sequence analysis package tool
 * TOPHAT, cryptonym of Dmitri Polyakov (1921–1988), a Soviet general and a spy for the CIA
 * Tophat beam, a kind of laser beam
 * Operation Top Hat, a "local field exercise" conducted by the United States Army Chemical Corps in 1953
 * Top hat, another name for a steel batten
 * Top Hat, in automotive design, differing upper bodies sharing a common platform
 * Top hat, a network of wires at the top of a mast radiator
 * Top Hat, a character from The Tribe
 * Top Hat, a dynamic courseware platform

Distinguish from

 * Tophet