Lezay-Marnésia
Lezay-Marnésia is a family name that may refer to :
- Adrien de Lezay-Marnésia (1769–1814), from 1806 to 1810 Prefect of the Department of Rhin-et-Moselle and from 1810 to 1814 Prefect of the Department of Bas-Rhin
- Claude-François de Lezay-Marnésia (1735–1800), French military, farmer, poet and encyclopaedist