Lodewyk is a Dutch and Afrikaans given name, equivalent to Louis or Lewis in English. While in modern Dutch the name is spelled Lodewijk, Afrikaans retains Lodewyk. Notable people with the name include:
Lodewyk van Bercken (fl. 1456), Flemish jeweler and diamond cutter who invented the scaif
Lodewyk de Deyster (1656–1711), Flemish artist and maker of musical instruments