Mannavan Vanthaanadi (Tamil: மன்னவன் வந்தானடி) is a 1975 Indian Tamil film, directed by P. Madhavan. The film stars Sivaji Ganesan, Manjula, M. N. Nambiar and Nagesh in lead roles. The film had musical score by M. S. Viswanathan.
A mild-mannered and timid man causes amusement when he comes to work in a business — because of his resemblance to Hitler. Soon, however, he finds himself growing into a more forceful and dynamic person, becoming a charismatic leader.