1T may refer to:

• One-T, a French electronic musical project
• 1T-SRAM, a type of pseudostatic random-access memory
• 1T DRAM, a type of Dynamic random-access memory
• SSH 1T, alternate designation for Washington State Route 501
• 1T-TaS₂, the only transition-metal dichalcogenide known to develop the Mott phase
• 1T, a model of Chevrolet Chevette
• 1-T, a synthetic anabolic–androgenic steroid

See also[edit]

• Trillion (disambiguation)
• T1 (disambiguation)