Jean Piaget (IPA: [ʒɑ̃ pjaʒɛ], 1896 nî 8 goe̍h 91980 nî 9 goe̍h 16) sī Sūi-se ê tiat-ha̍k-ka, chū-jiân kho-ha̍k-ka kiam hoat-tián sim-lí-ha̍k-ka. Piaget tn̂g-kî gián-kiù gín-á-kiáⁿ án-choáⁿ jīn-bat tāi-chì; bat thê-chhut jīn-ti hoat-tián lí-lūn (theory of cognitive development), kap hō chò "ûi-thoân jīn-bat-lūn" (genetic epistemology) ê jīn-bat koan-tiám. 1955 nî i tī Genève chhòng-li̍p Ûi-thoân Jīn-bat-lūn Kok-chè Tiong-sim (the International Centre for Genetic Epistemology), chò chú-jīm chò kàu 1980 nî. Ernst von Glasersfeld kóng Piaget sī "Kiàn-kò͘-sek jīn-bat-lūn (constructivist epistemology) úi-tāi ê sian-hêng-chiá."

Jean Piaget ê chio̍h-siōng.

Piaget tùi tiān-náu kho-ha̍k kap Jîn-kang tì-hūi ê hoat-tián mā ū toā éng-hióng, pí-lūn kóng Logo kap GUI ê hoat-tián.