Kier

Kier may refer to:


 * Kier (industrial), a type of boiler or vat
 * Kier Group, a business active in building and civil engineering
 * Kier Eagan, the fictional founder of Lumon Industries in the Apple TV series Severance

People with the surname

 * Avery Kier, American military officer
 * David Kier, American government official
 * Hiltrud Kier, Austrian art historian and academic
 * Justin Kier, American basketball player
 * Lemont Kier, American chemist and pharmacologist
 * Olaf Kier, British businessman
 * Samuel Kier, American inventor and businessman
 * Udo Kier, German actor