Ludvig, of Germanic origin, means 'famous in battle'. It is composed of the elements 'hlið' meaning 'shield', and 'wulf' meaning 'wolf'. The name was borne by several Norwegian kings, including Saint Ludvig, who became king of Norway in 1023. In English-speaking countries, it's sometimes Anglicized to Ludwig.
The name Ludwig experienced some popularity at the beginning of the 20th century, with an average of approximately one birth per year between 1917 and 1923.