List of Tamil films of 1966

Post-amendment to the Tamil Nadu Entertainments Tax Act 1939 on 1 April 1958, Gross jumped to 140 per cent of Nett Commercial Taxes Department disclosed ₹5.81 crore in entertainment tax revenue for the year.

The following is a list of films produced in the Tamil film industry in India in 1966, in alphabetical order.

1966

Title	Director	Producer	Music	Cast
Anbe Vaa	A. C. Tirulokchandar	A.V.M. Productions	M. S. Viswanathan	M. G. Ramachandran, B. Saroja Devi, Nagesh,Asogan
Annavin Aasai	Dada Mirasi	Sujatha Cine Arts	K. V. Mahadevan	Gemini Ganesan, Savitri, K. Balaji, K. R. Vijaya
Avan Pithana?	P. Neelakantan	Umayal Productions	R. Parthasarathi	S. S. Rajendran, C. R. Vijayakumari, S. V. Sahasranamam
Chandrodayam	K. Shankar	Saravana Films	M. S. Viswanathan	M. G. Ramachandran, Jayalalitha, M. R. Radha,Nagesh
Chinnanchiru Ulagam	K. S. Gopalakrishnan	Chitra Productions	K. V. Mahadevan	Gemini Ganesan, K. R. Vijaya, Nagesh, Magic Radhika
Chitthi	K. S. Gopalakrishnan	Chitra Productions	M. S. Viswanathan	Gemini Ganesan, Padmini, M. R. Radha, R. Muthuraman, Vijayasree, Vijaya Nirmala, Baby Rani
Enga Paappa	B. R. Panthulu	Padmini Pictures	M. S. Viswanathan	Ravichandran, Kumari Bharathi, Nagesh, K. A. Thangavelu, M. V. Rajamma, Manorama
Gowri Kalyanam	K. Shankar	Saravana Combines	M. S. Viswanathan	Jaishankar, Ravichandran, Jayalalitha
Iru Vallavargal	K. V. Srinivasan	Modern Theaters	Vedha	Jaishankar, R. S. Manohar, L. Vijayalakshmi
Kathal Paduthum Padu	Joseph Thaliath Jr.	Citadel Studios	T. R. Pappa	Jaishankar, Nagesh, Vanishree
Kattu Malligai	P. Subramanyam	Merryland Pictures	G. Devarajan	Prem Nazir, Vijayalalitha
Kodimalar	Sridhar	Sri Productions	M. S. Viswanathan	Muthuraman, A. V. M. Rajan, C. R. Vijayakumari, Nagesh,Kanchana
Kumari Penn	T. R. Ramanna	Vinayaka Pictures	M. S. Viswanathan	Ravichandran, Jayalalitha, Nagesh
Madras to Pondicherry	Thirumalai Mahalingam	Sunbeam Productions	T. K. Ramamoorthy	Nagesh, Ravichandran, A. Karunanidhi
Mahakavi Kalidas	R. R. Chandran	Kalpana Kalamandhir	K. V. Mahadevan	Sivaji Ganesan, Sowcar Janaki, R. S. Manohar
Major Chandrakanth	K. Balachander	A. V. M. Productions	V. Kumar	Major Sundarrajan, Nagesh, Jayalalitha, A. V. M. Rajan, R. Muthuraman
Mani Magudam	S. S. Rajendran	S. S. R.Pictures	K. V. Mahadevan	S. S. Rajendran, C. R. Vijayakumari, Jayalalitha
Marakka Mudiyuma?	Murasoli Maran	Mekala Pictures	T. K. Ramamoorthy	S. S. Rajendran, Muthuraman, Devika, Kanchana, S. V. Sahasranamam,Cho
Motor Sundaram Pillai	Balu	Gemini Pictures	M. S. Viswanathan	Sivaji Ganesan, Sowcar Janaki, Ravichandran, Jayalalitha,Sivakumar, Kanchana
Muharasi	M. A. Thirumugam	Devar Films	K. V. Mahadevan	M. G. Ramachandran, Gemini Ganesan, Jayalalitha
Naam Moovar	Jambulingam	Balan Pictures	S. M. Subbaiah Naidu	Jaishankar, Ravichandran, L. Vijayalakshmi,Nagesh
Naan Aanaiyittal	Chanakya	Satya Movies	M. S. Viswanathan	M. G. Ramachandran, B. Saroja Devi, M. N. NambiarNagesh, K. R. Vijaya
Nadodi	B.R. Panthulu	Padmini Pictures	M. S. Viswanathan	M. G. Ramachandran, B. Saroja Devi, Bharathi,Nagesh
Namma Veettu Lakshmi	B. R. Panthulu	Padmini Pictures	M. S. Viswanathan	A. V. M. Rajan, B. R. Panthulu, Bharathi, Vanisri, M. V. Rajamma, Nagesh, Muthuraman
Panchali Sabatham Dubbed from Hindi	Babubhai Mistri	Ramanand Combines	Chitragupta D. Srinivas	Abhi Bhattacharya, Pradeep Kumar, Dara Singh, Padmini, Jeevan
Parakkum Pavai	T. R. Ramanna	R. R. Pictures	M. S. Viswanathan	M. G. Ramachandran, B. Saroja Devi, M. N. Nambiar,Kanchana,
Periya Manidhan	K. C. Krishnamoorthy	Saraswathi Pictures	S. V. Venkatraman	T. K. Ramachandran, Udaya Chandrika
Petralthan Pillaiya	Krishnan–Panju	Muthukumaran Pictures	M. S. Viswanathan	M. G. Ramachandran, B. Saroja Devi, K. A. Thangavelu,Sowcar Janaki
Ramu	A. C. Tirulokchandar	A. V. M. Productions	M. S. Viswanathan	Gemini Ganesan, K. R. Vijaya, Master Rajkumar
Sadhu Mirandal	A. Bhim Singh	Sunbeam Productions	T. K. Ramamoorthy	T. R. Ramachandran, O. A. K. Thevar, Nagesh
Saraswathi Sabatham	A. P. Nagarajan	Sri Vijayalakshmi Pictures	K. V. Mahadevan	Sivaji Ganesan, Padmini, Savitri, Gemini Ganesan
Selvam	K. S. Gopalakrishnan	V. K. R Pictures	K. V. Mahadevan	Sivaji Ganesan, K. R. Vijaya, S. V. Ranga Rao
Thaali Bhagyam	K. P. Nagabhooshnam	K. B. Nagabhooshnam	K. V. Mahadevan	M. G. Ramachandran, B. Saroja Devi, Nagesh
Thanippiravi	M. A. Thirumugam	Devar Films	K. V. Mahadevan	M. G. Ramachandran, Jayalalitha, Nagesh,C. L. Anandan
Thattungal Thirakkappadum	J. P. Chandrababu	Viswabharathy Pictures	M. S. Viswanathan	Chandrababu, K. R. Vijaya, R. S. Manohar, Savitri
Thaaye Unakkaga	P. Pullaiah	Sri Kamalanayanam	K. V. Mahadevan	Sivaji Ganesan, Padmini, Jayalalitha, S. S. Rajendran, C. R. Vijayakumari, Nagesh, Sivakumar
Thayin Mel Aanai	G. R. Nathan	Madras Cine Lab	T. G. Lingappa	C. L. Anandan, K. R. Vijaya, Rajasree, Nagesh, Manorama, B. V. Radha
Thedi Vandha Thirumagal	Sathyam	Sri Vijayagopal Pictures	K. V. Mahadevan	S. S. Rajendran, C. R. Vijayakumari, Ravichandran, S. V. Ranga Rao, Nagesh, Kanchana, V. K. Ramasamy
Thenmazhai	V. Srinivasan	Muktha Films	T. K. Ramamoorthy	Gemini Ganesan, K. R. Vijaya, Cho
Vallavan Oruvan	R. Sundaram	Modern Theaters	Vedha	Jaishankar, L. Vijayalakshmi, R. S. Manohar
Yaar Nee?	Satyam	P. S. V Pictures	Vedha	Jaishankar, JayalalithaP. S. Veerappa,C.L.Anandan.
Yaarukkaga Azhudhaan	Jayakanthan	Asia Jothi Films	S. V. Ramanan	Nagesh, K. R. Vijaya