Pierre-Eugène Lamairesse (14 July 1817 – 17 April 1898) was a French civil and mining engineer.

A former student of the École Polytechnique, he was in charge of dams and other irrigation projects in Pondicherry and Karaikal in India between 1860 and 1866.

[1] He was the youngest son of Jean-Baptiste-Cyprien Lamairesse, a farmer and member of the Agricultural Society of Châlons.

With the help of the government in Madras, he transported a large collection of statues from several abandoned temples of the Tamil land, which were presented at the World Fairs of 1867 and 1878 and later offered to the Museum of Fine Arts and Archeology at Châlons-en-Champagne.

[2] He also wrote on various subjects such as Japanese civilization, the Koran, the Buddha, and the hydrology of France, Algeria and India.