HOTT may refer to:
*Mathematics:
**
Homotopy type theory
*Games:
**''
Halls of the Things'', an early video game
**
''Hordes of the Things'' (wargame)
*Entertainment:
**"
Hanging on the Telephone", a song by the power pop band The Nerves, also recorded by Blondie
**
Hour of the Time, a shortwave radio show
*Other:
**
Hot Topic's former NASDAQ ticker symbol
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