Arns

Arns is a surname. Notable people with the surname include:


 * Inke Arns (born 1968), German curator and writer
 * Paulo Evaristo Arns (1921–2016), Brazilian Roman Catholic archbishop and cardinal
 * Robert Arns (1933–2019), American physicist and historian
 * Zilda Arns (1934–2010), Brazilian pediatrician and aid worker