Of Germanic origin.
From the Germanic elements “lant”, meaning “land” and “beraht”, meaning “bright”.
Connected with the Old High German name “Lantberht”, a combination of “Land” and “Björt”, of the same meaning.
Other forms of the name are Lammert, Baer, Lamberto, Lampard, Bert.
Famous bearers are Lambert Wilson, Lambert, Hamel, Lambert Verdonk.