| Competition: | Peruvian Segunda División |
| Season: | 2011 |
| Dates: | 7 May – 11 December 2011 |
| Winners: | José Gálvez |
| Relegated: | U América |
| League Topscorer: |  Wellington Adao |
| Biggest Away Win: | Universidad San Marcos 1 - 5 U América Universidad San Marcos 1 - 5 Coronel Bolognesi |
| Highest Scoring: | Universidad San Marcos 6 - 2 Hijos de Acosvinchos |
| Matches: | 130 |
| Total Goals: | 373 |
| Prevseason: | 2010 |
| Nextseason: | 2012 |
The 2011 Segunda División season was the 66th edition of the second tier of Federación Peruana de Futbol. The tournament was played on a home-and-away round-robin basis.
The season was divided into 2 stages. In the first stage the 10 teams played a round-robin home-and-away round for a total of 18 matches each. In the second stage the 10 teams were divided into 2 groups. The top 5 teams played in the group Liguilla Ascenso and the bottom 5 teams played in Liguilla Descenso. Each team carried on their records from the first stage.
On April 5, 2011, Total Chalaco withdrew before the start of the season.
| Team | City | Stadium[1] | Capacity[2] | Field | |
|---|---|---|---|---|---|
| 20,000 | Grass | ||||
| 5,000 | Grass | ||||
| 8,000 | Grass | ||||
| 19,850 | Grass | ||||
| 13,000 | Grass | ||||
| Colegio San Alfonso | 2,000 | Grass | |||
| 25,000 | Artificial | ||||
| 18,000 | Grass | ||||
| 80,093 | Grass | ||||
| 43,000 | Grass | ||||