Lorentz's mosaic-tailed rat (Paramelomys lorentzii) is a species of rodent in the family Muridae.

The rat is named after Hendrikus Albertus Lorentz, a Dutch explorer who passed through Lorentz National Park on his 1909–10 expedition.

According to the Kalam people of Madang Province, Papua New Guinea, it helps spread karuka seeds.

[2] It is known as mug or moys in the Kalam language of Papua New Guinea.

This Murinae article is a stub.