Sadleir

Sadleir may refer to:

People with the surname

 * Franc Sadleir (1775–1851), Irish academic
 * James Sadleir (c.1815 – 1881), Irish financier and politician
 * John Sadleir (1813–1856), Irish financier and politician
 * Lynette Sadleir (b. 1963), Canadian-born swimmer
 * Michael Sadleir (1888–1957), British author and bibliophile
 * Ralph Sadleir (1579–1661), English landowner
 * Thomas Sadleir (died 1607) (c.1536–1607), English landowner and politician
 * Thomas Sadleir (1882–1957), Irish genealogist and herald
 * Lionel Sadleir-Jackson (1876–1932), British army officer

Places

 * Sadleir, New South Wales