Loek is a ♂ male name.
Loek is a Dutch diminutive of the name Lucas. Lucas is a name of Greek and Latin origin. It derived from the Greek name Loukas / Λουκας and the Latin name Lucanus.
Loek means “from Lucania” and “light”, “bringer of light” (from “leukós/λευκός” = bright/light/white).