Lewis Beaumont (1847–1922) was a Royal Navy officer.
Lewis or Louis Beaumont may also refer to: Sir Lewis Beaumont, 5th Baronet ( 1673–1738) of the Beaumont baronets Lewis de Beaumont (died 1333), bishop of Durham Louis de Beaumont, 2nd Count de Lerín (c. 1430–1508), noble in the Kingdom of Navarre Louis-Marie-Joseph Beaumont (1753–1828), Canadian farmer and political figure
See also Beaumont (surname)