| 1998 Campionati Internazionali di San Marino | |
|---|---|
| Date | 10–16 August |
| Edition | 10th |
| Category | WorldSeries |
| Draw | 32S / 16D |
| Prize money | $275,000 |
| Surface | Clay / outdoor |
| Location | City of San Marino, San Marino |
| Champions | |
| Singles | |
 Dominik Hrbatý[1] | |
| Doubles | |
 Jiří Novák /David Rikl[2] | |
The1998 Campionati Internazionali di San Marino was a men'stennis tournament played on outdoorclay courts inCity of San Marino, San Marino that was part of theWorld Series of the1998 ATP Tour. It was the tenth edition of the tournament and was held from 10 August until 16 August 1998. Third-seededDominik Hrbatý won the singles titles.
Dominik Hrbatý defeated
Mariano Puerta, 6–2, 7–5
Jiří Novák /David Rikl defeatedMariano Hood /Sebastián Prieto, 6–4, 7–6