QFT

QFT may stand for:


 * Quantum field theory, the theory of quantum mechanics applied to fields
 * Quantum Fourier transform, a Fourier transform acting on quantum bits
 * Quadratic Frobenius test, a primality test
 * QuantiFERON, a test for tuberculosis infection or latent tuberculosis
 * Quantitative feedback theory
 * Queen's Film Theatre, a cinema in Northern Ireland