| 1998 Chevrolet Cup | |
|---|---|
| Date | 9–16 November |
| Edition | 6th |
| Category | World Series |
| Draw | 32S / 16D |
| Prize money | $315,000 |
| Surface | Clay / outdoor |
| Location | Santiago, Chile |
| Champions | |
| Singles | |
 Francisco Clavet[1] | |
| Doubles | |
 Mariano Hood / Sebastián Prieto[2] | |
The 1998 Chevrolet Cup was a men's ATP tennis tournament held in Santiago, Chile and played on outdoor clay courts that was part of the World Series of the 1998 ATP Tour. It was the sixth edition of the tournament and was held from 9 November to 16 November 1998. Francisco Clavet won the singles title.