List of Tamil films of 2003

Post-amendment to the Tamil Nadu Entertainments Tax Act 1939 on 12 June 2000, gross fell to 125 per cent of net. The Commercial Taxes Department disclosed ₹75.07 crore in entertainment tax revenue for the year.

A list of films released in the Tamil film industry in India in 2003:

October—December
The following films also released in 2003, though the release date remains unknown.