Johannes P M van der Ploeg

Johannes Petrus Maria "Jan" van der Ploeg (4 July 1909, Nijmegen – 4 August 2004, Nijmegen) was a Dutch Dominican specialist in Hebrew, Dead Sea Scrolls and Syriac manuscript research. He was Professor of Old Testament and Semitics at the Catholic University of Nijmegen (1951–1979) after which time he spent most of his time in Kerala, and was raised to the dignity of chorbishop (or chorepiscopus) in the Syriac Catholic Church in 1963.

In 1958 he became member of the Royal Netherlands Academy of Arts and Sciences.