  We demonstrate that adiabatic dark matter can be generated by gravity induced
symmetry breaking during inflation. We study a $Z_2$ symmetric scalar singlet
that couples to other fields only through gravity and for which the symmetry is
broken by the spacetime curvature during inflation when the non-minimal
coupling $\xi$ is negative. We find that the symmetry breaking leads to the
formation of adiabatic dark matter with the observed abundance for the singlet
mass $m\sim{\rm MeV}$ and $|\xi|\sim 1$.
