The 2003 Rally Argentina (formally the 23rd YPF Rally Argentina) was the fifth round of the 2003 World Rally Championship.

The race was held over four days between 8 May and 11 May 2003, and was based in Villa Carlos Paz, Argentina.

Peugeot's Marcus Grönholm won the race, his 15th win in the World Rally Championship.

[1] All dates and times are ART (UTC−3).