Achleitner is a German surname. Notable people with the surname include:
Ann-Kristin Achleitner, German economistArthur Achleitner (1858–1927), German writerFriedrich Achleitner (born 1930), Austrian architect, poet, and writerGeorg Achleitner (1806—1883), Austrian politicianHubert Achleitner, known as "Hubert von Goisern" (born 1952), Austrian musicianPaul Achleitner (born 1956), Austrian economic manager