Pieter Cornelis Dommersen, born as Dommershuisen, (6 December 1833 – 18 November 1918) was a Dutch painter and watercolourist active in England. He is also known as Pieter Cornelis Dommershuijzen and signed his work as P.C. Dommersen, P.C.Dommershuisen, or P.C. Dommershuizen.