List of Spanish films of 1998
A list of Spanish-produced and co-produced feature films released in Spain in 1998. The domestic theatrical release date is favoured.
Box office
The ten highest-grossing Spanish films in 1998, by domestic box office gross revenue, are as follows:| Rank | Title | Distributor | Admissions | Domestic gross |
| 1 | Torrente, the Dumb Arm of the Law | Columbia TriStar | 2,840,925 | 10,254,169 |
| 2 | Open Your Eyes | Sogepaq | 1,297,686 | 4,576,930 |
| 3 | The Girl of Your Dreams | Lolafilms | 1,234,242 | 4,772,270 |
| 4 | Cha-cha-chá | Warner Sogefilms | 778,048 | 2,769,332 |
| 5 | Lovers of the Arctic Circle | Alta Films | 640,553 | 2,393,175 |
| 6 | Barrio | Warner Sogefilms | 533,690 | 2,007,276 |
| 7 | The Stolen Years | Warner Sogefilms | 468,573 | 1,734,353 |
| 8 | The Grandfather | Columbia TriStar | 459,713 | 1,775,715 |
| 9 | Secrets of the Heart | Alta Films | 367,782 | 1,288,875 |
| 10 | Things I Left in Havana | Alta Films | 359,548 | 1,337,581 |