| Season | 1965 |
|---|---|
| Dates | 19 July 1965 – 26 December 1965 |
| Champions | Alianza Lima 14thleague title |
| Relegated | Ciclista Lima |
| Copa Libertadores | Alianza Lima Universitario |
| Top goalscorer | Carlos Urrunaga (16) (Defensor Lima) |
←1964 1966 → | |
The1965Peruvian Primera División, the top category ofPeruvian football, was played by 10 teams. The national champion wasAlianza Lima. This was the first season to qualify two teams to theCopa Libertadores and the last to only include teams from Lima and Callao.
The season was divided into two stages. In the first stage, each team played the others twice (a double round robin system) for a total of 18 games. Teams received two points for a win and one point for a draw. No points were awarded for a loss. The teams carried their records from the first stage into the second stage. In the second stage, the teams were separated into two groups; an upper-table group and lower-table group. Each group played a further 4 games against the teams in their group. The upper group played for the league title and the lower group played to avoid relegation. The season champion and runner-up qualified for the1966 Copa Libertadores.
| Promoted from 1964 Segunda División | Relegated from 1964 Primera División |
|---|---|
 Defensor Arica(1st) |  KDT Nacional(10th) |
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Alianza Lima | 18 | 11 | 6 | 1 | 29 | 14 | +15 | 28 | Liguilla Final |
| 2 | Universitario | 18 | 9 | 5 | 4 | 27 | 17 | +10 | 23 | |
| 3 | Defensor Lima | 18 | 9 | 4 | 5 | 35 | 21 | +14 | 22 | |
| 4 | Deportivo Municipal | 18 | 10 | 2 | 6 | 21 | 20 | +1 | 22 | |
| 5 | Defensor Arica | 18 | 9 | 3 | 6 | 30 | 21 | +9 | 21 | |
| 6 | Sporting Cristal | 18 | 8 | 3 | 7 | 29 | 23 | +6 | 19 | Liguilla Descenso |
| 7 | Sport Boys | 18 | 7 | 4 | 7 | 26 | 27 | −1 | 18 | |
| 8 | Centro Iqueño | 18 | 3 | 5 | 10 | 19 | 33 | −14 | 11 | |
| 9 | Carlos Concha | 18 | 3 | 4 | 11 | 29 | 47 | −18 | 10 | |
| 10 | Ciclista Lima | 18 | 1 | 4 | 13 | 15 | 37 | −22 | 6 |
Teams play each other once, either home or away. All matches were played inLima andCallao.
| Home \ Away | ALI | CAR | IQU | CIC | DAR | DLI | MUN | SBA | CRI | UNI |
|---|---|---|---|---|---|---|---|---|---|---|
| Alianza Lima | 3–1 | 2–0 | 3–1 | 2–2 | 0–0 | 1–1 | 2–1 | 1–0 | 1–0 | |
| Carlos Concha | 1–2 | — | — | — | — | — | 3–4 | 1–0 | 0–3 | |
| Centro Iqueño | 0–2 | — | — | — | — | — | 2–1 | 2–2 | 0–2 | |
| Ciclista Lima | 0–1 | — | — | — | — | — | 1–1 | 0–3 | 0–1 | |
| Defensor Arica | 0–1 | — | — | — | — | — | 3–0 | 1–2 | 1–1 | |
| Defensor Lima | 2–2 | — | — | — | — | — | 2–2 | 3–2 | 0–2 | |
| Deportivo Municipal | 1–0 | — | — | — | — | — | 1–0 | 0–3 | 0–1 | |
| Sport Boys | 0–3 | 4–3 | 1–1 | 2–1 | 2–1 | 0–0 | 3–0 | 0–2 | 3–0 | |
| Sporting Cristal | 1–1 | 4–3 | 0–1 | 2–1 | 0–2 | 2–0 | 3–4 | 1–0 | 1–1 | |
| Universitario | 2–2 | 1–1 | 2–1 | 4–0 | 2–2 | 2–1 | 0–1 | 1–2 | 2–1 |
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation | ALI | UNI | DAR | DLI | MUN | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Alianza Lima(C) | 22 | 12 | 8 | 2 | 35 | 18 | +17 | 32 | 1966 Copa Libertadores | 1–1 | 3–0 | ||||
| 2 | Universitario | 22 | 13 | 5 | 4 | 37 | 21 | +16 | 31 | 1–0 | 3–2 | |||||
| 3 | Defensor Arica | 22 | 11 | 4 | 7 | 36 | 27 | +9 | 26 | 2–2 | 1–3 | |||||
| 4 | Defensor Lima | 22 | 10 | 5 | 7 | 44 | 28 | +16 | 25 | 1–3 | — | |||||
| 5 | Deportivo Municipal | 22 | 10 | 2 | 10 | 24 | 32 | −8 | 22 | — | — |
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation | CRI | SBA | IQU | CAR | CIC | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sporting Cristal | 22 | 10 | 5 | 7 | 41 | 31 | +10 | 25 | 3–1 | 3–0 | |||||
| 2 | Sport Boys | 22 | 9 | 5 | 8 | 34 | 33 | +1 | 23 | 0–0 | 4–3 | |||||
| 3 | Centro Iqueño | 22 | 4 | 8 | 10 | 24 | 37 | −13 | 16 | 2–2 | — | |||||
| 4 | Carlos Concha | 22 | 4 | 5 | 13 | 39 | 58 | −19 | 13 | 4–4 | — | |||||
| 5 | Ciclista Lima(R) | 22 | 1 | 5 | 16 | 17 | 46 | −29 | 7 | 1966 Segunda División | 0–3 | — |