Achleitner is a German surname. Notable people with the surname include:
Ann-Kristin Achleitner, German economist Arthur Achleitner (1858–1927), German writer Friedrich Achleitner (1930–2019), Austrian architect, poet, and writer Georg Achleitner (1806–1883), Austrian politician Hubert Achleitner, known as "Hubert von Goisern" (born 1952), Austrian musician Paul Achleitner (born 1956), Austrian economic manager
See also Patricia Mayr-Achleitner (born 1986), Austrian tennis player