Richard Martin Willstätter (1872 nî 8 goe̍h 13 ji̍t – 1942 nî 8 goe̍h 3 ji̍t) sī chi̍t ūi Tek-kok ê hòa-ha̍k-ka. I mā-sī 1915 nî Nobel Hòa-ha̍k Chióng ê ti̍t-chióng-jîn; i ti̍t-chióng ê lí-iû sī for his researches on plant pigments, especially chlorophyll.

Richard Willstätter