  Scalar decay into gravitinos is studied in the presence of D-term
supersymmetry (SUSY) breaking. The gravitinos produced by the decay of coherent
oscillations of scalar fields, such as moduli and inflatons, cause cosmological
problems. We show the general formula for the partial decay rate of the scalar
into two gravitinos. Applying it to a concrete model of D-term SUSY breaking,
we find that D-term SUSY breaking can suppress gravitino production.
