The Men's lightweight pair event at the 2010 South American Games was held over March 22 at 10:00.
Medalists edit
| Gold | Silver | Bronze |
| Miguel Angel Silva Fabian Zbinden  Chile
|
Carlo Lauro Pablo Manhic  Argentina
|
Alisson Araujo Ronald Brito  Brazil
|
Records edit
| World Best Time | ||||
|---|---|---|---|---|
| World best time |  Ireland
|
6:26.61 | Paris, France | 1994 |
Results edit
| Rank | Rowers | Country | Time |
|---|---|---|---|
|
Miguel Angel Silva, Fabian Zbinden | Chile
|
7:00.34 |
|
Carlo Lauro, Pablo Manhic | Argentina
|
7:08.80 |
|
Alisson Araujo, Ronald Brito | Brazil
|
7:26.94 |
| Julio Cesar Sanchez, Carlos Rolando Duarte |  Ecuador
|
DNF |