To provide a tire for a motorcycle for irregular ground traveling, which makes damping performance and turning performance compatibly higher while ensuring durability.

The tire for the motorcycle for irregular ground traveling is provided with a carcass 6 comprising inner and outer carcass plies 6A, 6B, and at least one carcass ply comprises aramid ply using an aramid fiber cord 17 in which the N pieces (2-4 pieces) of a filament bundle of the first-twisted aramid fiber are twisted by final-twist. The aramid fiber cord 17 has the total size D in a range of 2,200-5,010 dtex and twisting coefficient T of the cord represented by a formula (1): T=n{(D)}10-3 (in the formula (1), n represents the first-twist number per 10 cm of cord length (unit: time), and D represents the total size of the cord (unit: dtex)).