  An orbifold is a Morita equivalence class of a proper {\' e}tale Lie
groupoid. A unitary equivalence class of spectral triples over the algebra of
smooth invariant functions are associated with any compact spin orbifold. In
the case of an effective spin orbifold we construct a collection of spectral
triples over the smooth convolution algebras of the representatives of the
Morita equivalence class.
