Fermion Masses and Mixing in SUSY GUT

The problem of fermion masses and mixings is discussed in the context of supersymmetric grand unification theories. Some predictive frameworks based on the $SU(5)$, $SO(10)$ and $SU(6)$ models are reviewed. [Based on lectures delivered at the ICTP Summer School on `High Energy Physics and Cosmology', Trieste, Italy, 3-28 July 1995 (to appear on Proceedings), and XIX Int. Conference on {\em Particle Physics and Astrophysics in the Standard Model and Beyond}, Bystra, Poland, 19-26 September 1995]