| Competition: | Primera División de México |
| Season: | 1998–99 |
| Winners: | Necaxa (3rd title) |
| Continentalcup1: | Champions' Cup |
| Continentalcup1 Qualifiers: | Necaxa |
| Continentalcup2: | Copa Libertadores |
| Continentalcup2 Qualifiers: | Monterrey |
| League Topscorer: | Cuauhtémoc Blanco (16 goals) |
| Prevseason: | 1997–98 |
| Nextseason: | Verano 1999 |
Primera División de México (Mexican First Division) Invierno 1998 is a Mexican football tournament - one of two short tournaments that take up the entire year to determine the champions of Mexican football. It began on Friday, July 31, 1998, and ran until November 22, when the regular season ended. Pachuca was promoted to the Primera División de México thus, Veracruz was relegated to the Primera División A. In the final Necaxa defeated Guadalajara and became champions for the 3rd time.
Players sorted first by goals scored, then by last name. Only regular season goals listed.
| Rank | Player | Club | Goals | ||
|---|---|---|---|---|---|
| align=center rowspan=1 | 1 |  Cuauhtémoc Blanco | América | align=center rowspan=1 | 16 |
| align=center rowspan=2 | 2 | José Cardozo | Toluca | align=center rowspan=2 | 13 |
| Carlos Pavón | Necaxa | ||||
| align=center rowspan=1 | 4 |  Federico Lagorio | Atlas | align=center rowspan=1 | 12 |
| align=center rowspan=2 | 5 | Alejandro Glaría | Pachuca | align=center rowspan=2 | 11 |
| Pedro Pineda | Necaxa | ||||
| align=center rowspan=2 | 7 |  Claudinho | Morelia | align=center rowspan=2 | 10 |
| Claudio Núñez | UANL | ||||
| align=center rowspan=2 | 9 | Luis García | Guadalajara | align=center rowspan=2 | 8 |
| Luis Hernández | UANL |
Source: MedioTiempo
Guadalajara won 5–2 on aggregate.----
UNAM won 4–3 on aggregate.----
3–3 on aggregate. Necaxa advanced for being the higher seeded team.----
Atlas won 3–2 on aggregate.
Guadalajara won 2–1 on aggregate.----
Necaxa won 3–2 on aggregate.
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