Lysaght

Lysaght may refer to:

People

 * John Lysaght, 1st Baron Lisle (1702–1781)
 * John Lysaght, 2nd Baron Lisle (1729–)
 * Edward Lysaght (1763–1811), Irish songwriter
 * Sidney Royse Lysaght (1856–1941), Irish poet
 * John Lysaght (1832–1895), manufacturer of sheet iron
 * Averil Lysaght (1905–1981), New Zealand biologist, science historian and artist
 * Muriel Lysaght (1917–2005), New Zealand landscape architect
 * Sophia Augusta Lysaght (1861-1945), New Zealand artist
 * Cornelius Lysaght (b. 1965), British horse-racing correspondent

Businesses

 * John Lysaght (company), British iron and steel company
 * Lysaght, Australian steel company

Places

 * Mount Lysaght
 * Another spelling of Lysite, Wyoming