Penn () is a 1954 Indian Tamil-language romantic comedy film written by Ra. Venkatachalam and directed by M. V. Raman. It stars Vyjayanthimala, Anjali Devi, Gemini Ganesan, and S. Balachander while V. Nagayya, V. K. Ramasamy, K. N. Kamlam, K. R. Chellam and K. Sankarapani feature as the ensemble cast. The film was produced by A. V. Chettiar of AVM Productions. The score was composed by R. Sudharsanam with the lyrics by Papanasam Sivan and Udumalai Narayana Kavi, Ku. Sa. Krishnamurthy, K. P. Kamakshi and V. Seetharaman. Editing was done by K. Shankar and M. V. Raman while the camera was handled by T. Muthu Sami.
The film's story revolves around two friends Rani and Kanmani.
Penn was produced by A. V. Meiyappan, the founder of AVM Productions. It was simultaneously shot in Hindi as Ladki and in Telugu as Sangham. Vyjayanthimala appeared as the female lead in all three versions. Gemini Ganesan was cast after Meiyappan was impressed with his performance in Thai Ullam (1952).
The music was composed by R. Sudarsanam. The song Kalyaanam Kalyaanam....... Ullaasamaagave Ulagaththil Vaazhave sung by J. P. Chandrababu for S. Balachander became an instant hit and is broadcast by many television channels to date. It was remixed by Sundar C. Babu for Thoonga Nagaram (2011).
The film was a hit at box office.