Queen Anne's War Nicolas d'Ailleboust de Manthet, also known as Nicolas de Manthet, born 1664, killed in action 1709, was a Canadian captain in the French marines serving in Canada.

De Manthet fought in many battles during his military career.

In 1689 he participated in an attack against the Senecas at the Lake of Two Mountains, thereby saving that years fur trade from capture.

Together with Jacques le Moyne de Sainte-Hélène he led 114 Canadians and 96 allied Indians in the attack on Schenectady in 1690.

It was when leading an attack against Fort Albany in the Hudson Bay that he was killed in action.