Thennilavu (pronounced [teːn nilaʋu]; transl. Honeymoon) is a 1961 Indian Tamil-language romantic comedy film written, produced and directed by C. V. Sridhar. The film stars Gemini Ganesan and Vyjayanthimala, with K. A. Thangavelu, M. N. Nambiar, M. Saroja and Vasanthi in supporting roles. The film's plot is about a man who, due to mistaken identity, is appointed as a manager by a young woman for her father's honeymoon in Kashmir. The man and the woman fall in love but things go awry when the real manager arrives in Kashmir.