Low German (uncountable)
- A West Germanic language spoken in Low (i.e. Northern) Germany and north-eastern parts of the Netherlands, and formerly also in large parts of eastern and north-eastern Europe, which developed out of Middle Low German from Old Saxon; often treated as a dialect group of German (or Dutch) for convenience, but widely recognized as a separate language.
- (linguistics) Any of a number of West Germanic languages, primarily spoken in northern Germany, the Netherlands and Belgium, that did not undergo the High German consonant shift; the group thereof.
- (nonstandard) Any of many German dialects that are not the official standard although they are usually referred to only as "Platt".
- (West Germanic language, descended from Old Saxon) Plattdeutsch, Low Saxon, Nether-Saxon; New Low German, New Low Saxon, New Saxon (as opposed to Middle Low German or Middle Saxon and Old Low German or Old Saxon)
- (West Germanic languages that are not High German) High Dutch, High German (includes numerous Upper German and Middle German/Central German dialects from which standard High German mainly developed)
- French: bas allemand
- German: Niederdeutsch (in a stricter sense), Niedersächsisch, Plattdeutsch
- Portuguese: baixo alemão
- Russian: нижненеме́цкий
- Spanish: bajo alemán