List of Tamil films of 2015
This is a list of Tamil language films produced in the Tamil cinema in India that were released in 2015. Over 200 Tamil films released in 2015, the biggest number of films to come from a single film industry in India.
Post-amendment to the Tamil Nadu Entertainment Tax Act 1939 on 27 September 2011, gross jumped to 130 per cent of net for films with non-Tamil titles and U certificates as well. Commercial Taxes Department disclosed 106.29 crore in entertainment tax revenue for the year. According to Ormax Media industry report, the Tamil film segment registered domestic net box office receipts of 996 crore with 14 crore admissions.
Box office collection
The list of highest-grossing Tamil films released in 2015, by worldwide box office gross revenue, are as follows:| Rank | Title | Gross | Production company | ref |
| 1 | I | ₹227—240 crore | Aascar Films S. Aishwarya | |
| 2 | Vedalam | ₹125.7 crore | Shri Sai Raam Creations S.Aishwarya | |
| 3 | Kanchana 2 | ₹108 crore | Raghava Lawrence | |
| 4 | Thani Oruvan | ₹105 crore | AGS Entertainment | |
| 5 | Papanasam | ₹102 crore | Wide Angle Creations RajKumar Theatres Pvt. Ltd. | |
| 5 | Uthama Villain | ₹101 crore | Raaj Kamal Films International Thirupathi Brothers Film Media | |
| 7 | Puli | ₹100 crore | Thameens Films SKT Studios | |
| 8 | Yennai Arindhaal | ₹96 crore | Shri Sai Raam Creations S.Aishwarya | |
| 9 | Masss | ₹79 crore | Studio Green 2D Entertainment Aadnah Arts | |
| 10 | Thoongaa Vanam | ₹78 crore | Raaj Kamal Films International | |
| 11 | Anegan | ₹55 crore | AGS Entertainment | |
| 12 | Kaaki Sattai | ₹55 crore | Wunderbar Films | |
| 13 | O Kadhal Kanmani | ₹52 crore | Madras Talkies |