6 Tamil films of 1999 ranked by box office. #1: Nenjinile (₹4.2 crore).
| # | Film | Lead | Director | Budget | Box office | Multiple |
|---|---|---|---|---|---|---|
| 1 | Nenjinile | S. A. Chandrasekhar | ₹4.2 crore | |||
| Mudhalvan | S. Shankar | $7.4 million | $22 million | 2.97x | ||
| Amarkalam | Saran | $500,000 | $500,000 | 1.00x | ||
| Vaali | S. J. Surya | $500,000 | $500,000 | 1.00x | ||
| Suyamvaram | R. Sundarrajan | $500,000 | $500,000 | 1.00x | ||
| En Swasa Kaatre | K. S. Ravi | $302,000 |
Figures are shown in the currency they were reported in (Wikipedia, Wikidata or TMDB); no conversion.