Frants Yakovlevich Lefort; January 2(12), 1656 – March 2(12), 1699) was a Genevan-born Russian military figure of Huguenot origin, general admiral (1695), and close associate of Tsar Peter the Great.

In 1675 Le Fort arrived in Archangelsk in the company of the Prussian Colonel Jacob van Frosten[1] in order to find employment with the Russian army.

In early 1679 he was ordered to join the Kiev garrison under the command of Prince Vasily Golitsyn and General Patrick Gordon.

Le Fort's house gradually turned into a main attraction of the Nemetskaya sloboda, attended not only by locals, but by Russian noblemen, such as the Golitsyns.

In 1692 Peter I funded the construction of a large reception hall for 1,500 people, which formed an extension to Le Fort's house.

[2] In 1691 Le Fort was put in charge of a regiment and assigned a training ground on the left bank of the Yauza River.

In 1694 he participated in Peter's "play" Kozhukhov campaign [ru] (a military game in the village of Kozhukhovo, between Moscow and Kolomenskoye).

In 1696 Le Fort together with Fedor Golovin and Prokopy Voznitsyn [ru] took official charge of Peter's Grand Embassy, a Russian diplomatic mission to Western Europe.