First recorded as a given name of Latvians in 1621. Of Germanic origin. Cognate to English Louis.
- A male given name.
- A transliteration of the German male given name Ludwig.
- Klāvs Siliņš: Latviesu personvārdu vārdnīca. Riga "Zinātne" 1990, →ISBN
-  Population Register of Latvia: Ludvigs was the only given name of 281 persons in Latvia on May 21st 2010.