Arnoldi

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


 * Bartholomaeus Arnoldi (1465–1532), an Augustinian friar associated with Martin Luther
 * Charles Arnoldi (born 1946), an American painter, sculptor and printmaker
 * Per Arnoldi (born 1941), a Danish designer and artist
 * Vladimir Arnoldi (1871–1924), a Russian writer of children's books and professor of biology
 * Walter Edwin Arnoldi (1917–1995), an American engineer known for the Arnoldi iteration