Maria Guyomar de Pinha

Maria Guyomar de Pina (Thai: มารีอา กียูมาร์ ดึ ปีญา; 1664 – 1728) (also known as Maria Guiomar de Pina, Dona Maria del Pifia or as Marie Guimar and Madame Constance in French), Thao Thong Kip Ma (Thai: ท้าวทองกีบม้า), was a Siamese woman of mixed Japanese-Portuguese-Bengali ancestry who lived in Ayutthaya in the 17th century. She became the wife of Greek adventurer Constantine Phaulkon.

Maria Guyomar is known in Thailand for having introduced new dessert recipes in Siamese cuisine at the Ayutthaya court. Some of her dishes were influenced by Portuguese cuisine, especially egg yolk-based sweets such as foi thong, sangkhaya fakthong and sangkhaya.