  $SO(11)$ gauge-Higgs grand unification in the Randall-Sundrum warped space is
proposed. Orbifold boundary conditions and one brane scalar field reduce
$SO(11)$ to the standard model symmetry, which is further broken to $SU(3)_C
\times U(1)_{EM}$ by the Hosotani mechanism. In a minimal model quarks and
leptons are contained in a multiplet in ${\bf 32}$ of $SO(11)$ in each
generation. Proton decay is naturally suppressed by a conserved fermion number.
