| Competition: | Primera División |
| Season: | 1974 |
| Winners: | Newell's Old Boys (Metropolitano) San Lorenzo (Nacional) |
| Prevseason: | 1973 |
| Nextseason: | 1975 |
The 1974 Primera División season was the 83rd season of top-flight football in Argentina. Newell's Old Boys won the Metropolitano (1st title) and San Lorenzo (9th title) won the Nacional championship.
For the second consecutive season, no teams were relegated.[1]
| Competition: | Metropolitano |
| Season: | 1974 |
| Winners: | Newell's Old Boys (1st title) |
| Promoted: | Banfield |
| Relegated: | (none) |
| Continentalcup1: | 1975 Copa Libertadores |
| Continentalcup1 Qualifiers: | Newell's Old Boys |
| League Topscorer: |  Carlos Morete (18 goals) |
| Biggest Home Win: | Boca Juniors 7-1 Argentinos Juniors |
| Biggest Away Win: | San Lorenzo 0-6 Boca Juniors |
| Highest Scoring: | Huracán 6-2 Atlanta Boca Juniors 7-1 Argentinos Independiente 6-2 Chacarita |
| Prevseason: | 1973 |
| Nextseason: | 1975 |
2nd place playoff
| Competition: | Nacional |
| Season: | 1974 |
| Winners: | San Lorenzo (11th title) |
| Continentalcup1: | 1975 Copa Libertadores |
| Continentalcup1 Qualifiers: | Rosario Central |
| League Topscorer: | Mario Kempes (25 goals) |
| Biggest Home Win: | Banfield 13-1 Puerto Comercial |
| Biggest Away Win: | Atlanta 0-7 Huracán |
| Highest Scoring: | Banfield 13-1 Puerto Comercial |
| Prevseason: | 1973 |
| Nextseason: | 1975 |