| Competition: | Serie A |
| Season: | 1969–70 |
| Dates: | 14 September 1969 – 26 April 1970 |
| Winners: | Cagliari 1st title |
| Relegated: | Brescia Palermo Bari |
| Continentalcup1: | European Cup |
| Continentalcup1 Qualifiers: | Cagliari |
| Continentalcup3: | Inter-Cities Fairs Cup |
| Continentalcup3 Qualifiers: | Internazionale Juventus Fiorentina Lazio |
| Continentalcup2: | Cup Winners' Cup |
| Continentalcup2 Qualifiers: | Bologna |
| League Topscorer: | Gigi Riva (21 goals) |
| Matches: | 240 |
| Total Goals: | 464 |
| Prevseason: | 1968–69 |
| Nextseason: | 1970–71 |
The 1969–70 Serie A season was won by Cagliari.
Lazio, Brescia and Bari had been promoted from Serie B.
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 |  Gigi Riva | Cagliari | 21 |
| 2 | Alessandro Vitali | Vicenza | 17 |
| 3 | Pietro Anastasi | Juventus | 15 |
| 4 | Roberto Boninsegna | Internazionale | 13 |
| 5 | Giorgio Chinaglia | Lazio | 12 |
| Luciano Chiarugi | Fiorentina | ||
| Pierino Prati | Milan | ||
| 8 | Mario Bertini | Internazionale | 9 |
| 9 | Angelo Domenghini | Cagliari | 8 |
| Gianni Rivera | Milan | ||
 José Altafini | Napoli |