Louis Marie Pantaléon Costa, Marquis de Beauregard was a French statesman, archaeologist, historian and ornithologist.
- Occupation
- ornithologist, politician
- Position held
- member of the general council, député de la Savoie au Parlement sarde, député de la Savoie au Parlement sarde, president
- Citizenship
- France, Kingdom of Sardinia
- Born
- September 19, 1806, November 19, 1806
- Died
- September 21, 1864