Mudhal Thethi (Tamil: முதல் தேதி) is a 1955 Indian Tamil and Kannada bilingual film, directed by P. Neelakantan and produced by B. R. Panthulu. This was the first film produced by Panthulu under "Padmini Pictures" banner. The Tamil version starred Sivaji Ganesan, Anjali Devi, N. S. Krishnan and T. A. Madhuram in lead roles. The film had musical score by T. G. Lingappa scoring for his first feature film. The film was a remake of Hindi film Paheli Tarikh (1954).