| Country: | ESP |
| Type: | N |
| Route: | 135 |
| Length Km: | 59.14 |
| Terminus A: | Pamplona |
| Terminus B: | Roncesvalles |
| Cities: | Zubiri, Erro, Aurizberri, Auritz, Roncesvalles, Luzaide |
The N-135 is a highway in Spain.
It starts north of Pamplona with a junction on N-121 and Autovía A-15.
The N-135 heads north up the valley of Rio Arga and the Puerto Ibañeta (1,057m) near Roncesvalles. It then enters France 8km (05miles) south of St Jean Pied de Port.