Lefroy may refer to:
People Anne Brydges Lefroy (1747/8–1804), English writer and poet Harold Maxwell-Lefroy (1877–1925), Canadian entomologist Helena Lefroy (1820–1908), Irish botanist Henry Maxwell Lefroy (1818–1879), explorer of Western Australia Jeremy Lefroy (born 1959), British Conservative Party politician and Member of Parliament John Henry Lefroy (1817–1890), British military officer, colonial administrator, and scientist Thomas Langlois Lefroy (1776–1869), Irish politician and judge, neighbour and love interest of Jane Austen Anthony Lefroy (MP) (1800–1890), son of Thomas Langlois Lefroy and Irish Member of Parliament Anthony O'Grady Lefroy (1816–1897), nephew of Thomas Langlois Lefroy and Colonial Treasurer of Western Australia Henry Lefroy (1854–1930), 11th Premier of Western Australia and son of Anthony O'Grady Lefroy
Places Lake Lefroy, a salt lake in Western Australia named for Henry Maxwell Lefroy Lefroy Airport, in Ontario, Canada Mount Lefroy, mountain in Canada named for John Henry Lefroy Lefroy, Tasmania, a locality in Australia