DHT may stand for:

• D.H.T., a Belgian pop group that covered the song "Listen to Your Heart"
• Distributed hash table, a type of distributed system that provides hash table-like functionality
• Dihydrotestosterone, a hormone commonly implicated in male baldness, produced from testosterone
• Discrete Hartley transform, a Fourier-related transform of discrete, periodic data similar to the discrete Fourier transform

DHT