Sir Pierre Louis Napoleon Cavagnari KCB CSI (1841–1879), British military administrator, was the son of Count Louis Adolphus Cavagnari, of an old Italian family from Parma in the service of the Bonaparte family, by his marriage in 1837 with an Anglo-Irish lady, Caroline Lyons-Montgomery. Cavagnari was born at Stenay, in the Meuse département, France, on 4 July 1841.