6 Tamil films of 2009 ranked by box office. #1: Ayan (₹80 crore).
| # | Film | Lead | Director | Budget | Box office | Multiple |
|---|---|---|---|---|---|---|
| 1 | Ayan | K. V. Anand | ₹15 crore | ₹80 crore | 5.33x | |
| 2 | Peranmai | S. P. Jananathan | ₹15 crore | ₹25 crore | 1.67x | |
| 3 | Yavarum Nalam | Vikram Kumar | ₹12 crore | ₹23 crore | 1.92x | |
| Naan Kadavul | Bala | $7.5 million | ||||
| Sarvam | Vishnu Varadhan | $2 million | $2 million | 1.00x | ||
| Vennila Kabadi Kuzhu | Suseenthiran | $1 million |
Figures are shown in the currency they were reported in (Wikipedia, Wikidata or TMDB); no conversion.