Pieter "Piet" Stockmans (born 26 October 1940) is a Flemish designer and ceramist.
He studied sculpture and ceramics in Hasselt and in Selb in Germany.
From 1966 to 1989 Stockmans was an industrial designer in the Royal Mosa porcelain factory in Maastricht.
Most successful was his design for the coffee "Sonja" cup, of which over 40 million were sold.
Since 2010, Stockmans has lived on the C-Mine site, a former coal-mine complex near to Winterslag in Genk.