Gerrit Rietveld (1888-1964), the Dutch designer and architect.

Rietveld (Utrecht), a hamlet in the municipality Woerden, in the Netherlands.

Rietveld (Giessenlanden), a hamlet near Arkel, in the Netherlands.

Rietveld refinement (Crystallography), a powerful computational method for extracting detailed crystal structure information from X-ray and neutron powder diffraction data. Named after Dr. Hugo M. Rietveld, who developed the method.