What is "ntt"

NTT may refer to:

• Nippon Telegraph and Telephone, Japan
• New Technology Telescope, a 3.6m telescope at La Silla Observatory, Chile
• Giant Robot (Giant Robot album) or Giant Robot NTT
• Number theoretic transform, a mathematical transform
• Nusa Tenggara Timur, an island chain in Indonesia
• New trade theory, an economic theory
• Niuatoputapu Airport (IATA code)
• New Technology Train, a type of train used in the New York City Subway