| Itatiaia National Park | |
|---|---|
| Parque Nacional do Itatiaia | |
 View in January 2014 | |
  | |
| Nearest city | Resende, Rio de Janeiro |
| Coordinates | 22°22′30″S 44°36′43″W / 22.375°S 44.612°W |
| Designation | National park |
| Created | 14 June 1937 |
| Administrator | ICMBio |
Itatiaia National Park (Portuguese: Parque Nacional do Itatiaia), established in 1937, is the oldest national park in Brazil. It is located on the border between the states of Rio de Janeiro and Minas Gerais.