Wüllner or Wuellner is a German surname. People with the surname include:
Adolf Wüllner (1835–1908), German physicist Franz Wüllner (1832–1902), German pianist, conductor, conservatory director and composer, father of Ludwig Ludwig Wüllner (1858–1938), German concert and operatic tenor, actor and reciter, son of Franz Robert Wuellner (1885–1966), Swiss actor, film producer and director