DHT may stand for:

• Distributed hash table, a type of distributed system that provides hash table–like functionality
• Dihydrotestosterone, a potent endogenous androgenic hormone, derived from testosterone
• Discrete Hartley transform, a Fourier-related transform of discrete, periodic data similar to the discrete Fourier transform
• dihydrazinotetrazine, an additive to gun propellants used by the U.S. military
• Directly heated triode, a type of thermionic valve now used primarily in audio amplifiers.

Music

• DHT (band), a Belgian dance duo that covered the song "Listen to Your Heart"
• Danger Hardcore Team, a hardcore formation known for the Jumpin' Time title and predominantly for the Virus compilations.

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