This is a list of Portuguese television related events from 1998.
Events
- Unknown - Carlos Bruno, performing as Michael Stipe wins the fifth series of Chuva de Estrelas.
Debuts
International
Television shows
1990s
- Chuva de Estrelas (1993-2000)
Ending this year
Networks and services
Launches
| Network | Type | Launch date | Notes | Source |
| TVCine | Cable television | Unknown | | |
| Sport TV | Satellite television | 16 September | | |
Conversions and rebrandings
| Old network name | New network name | Type | Conversion Date | Notes | Source |
Closures
| Network | Type | Closure date | Notes | Source |
Births
Deaths