  We propose a top quark condensate scenario embedded in grand unified theories
(GUTs), stressing that the gauged Nambu-Jona-Lasinio model has a nontrivial
continuum limit (``renormalizability'') under certain condition which is
actually satisfied in all sensible GUTs with simple group. The top quark mass
prediction in this scenario is shown to be insensitive to the ultraviolet
cutoff $\Lambda$ thanks to the ``renormalizability''. We also discuss a
possibility to reduce the top mass prediction in this scenario.
