Jaroslav Heyrovský (1890 nî 12 goe̍h 20 ji̍t – 1967 nî 3 goe̍h 27 ji̍t) sī chi̍t ūi Chesko ê hòa-ha̍k-ka. I mā-sī 1959 nî Nobel Hòa-ha̍k Chióng ê ti̍t-chióng-jîn; i ti̍t-chióng ê lí-iû sī for his discovery and development of the polarographic methods of analysis.

Jaroslav Heyrovský