Nicolas Viton de Saint-Allais (6 April 1773 – 1842) was a French genealogist and littérateur.

Nicolas Viton de Saint-Allais was born on 6 April 1773 in Langres, France.

[1] During the French Revolution, he served as an Assistant to Guillaume Brune.

[3] His genealogical practice was called, "Bureau général de la Noblesse de France" (General Bureau of French Nobility).

[1] His son went on to serve in the French Foreign Legion.