Alban Lendorf was born in Copenhagen, Denmark and received his training at the Royal Danish Ballet School. In 2006, he joined the Royal Danish Ballet as an apprentice and became a member of its corps de ballet in 2008. He was promoted to soloist in 2010 and to principal dancer in 2011. His repertoire with the Royal Danish Ballet includes Prince Siegfried in Swan Lake, Prince Désiré in Christopher Wheeldon's The Sleeping Beauty, Gennaro in Napoli, James in La Sylphide, Armand in Lady of the Camellias, the title role in Apollo and principal roles in Etudes, Other Dances, Tchaikovsky Pas de Deux and Le Corsaire pas de deux. In 2009, Lendorf won the Golden Ballet award and a D.A.N.C.E. Grant.
In 2013 Lendorf made his debut with American Ballet Theatre dancing the role of Prince Désiré in The Sleeping Beauty.