FWT may refer to:

• First Welfare Theorem
• Fast Walsh–Hadamard transform
• Fast wavelet transform
• Fixed wireless terminal
• The Formation World Tour
• Freies Werkstatt-Theater, in Cologne, Germany
• Freeride World Tour
• Waterloo (B) railway station, in Belgium

• Single payer health care reform
• Single payer healthcare reform
• Single-payer healthcare system
• Single payer health care system
• Single payer healthcare system
• Single-payer health insurance
• Single payer heath care
• Single-payer plan
• Single payer plan
• Single-payer system
• Single payer universal health care
• Single-payer universal health care
• Single-payer universal healthcare
• Single payer universal healthcare
• Single peaked preferences
• Single people
• Single persons
• Single person supplement
• Single-person supplement
• Single-phase induction motor
• Single-phase power
• Single photon
• Single-photon
• Single-Photon Avalanche Diode
• Singlephotonic