Robert King Merton (1910 nî 7 goe̍h 4 ji̍t - 2003 nî 2 goe̍h 23 ji̍t) sī Bí-kok ê siā-hoē-ha̍k-ka. I só͘ hoat-tián ê kài-liām ū chū-ngó͘ si̍t-hiān ū-giân (self-fulfilling prophecy) téng-téng. Keng-chè-ha̍k-ka Robert C. Merton sī i ê hāu-seⁿ.