Paraleptomys wilhelmina is a New Guinea rodent known from specimens collected in high mountain forest. Its dense, dark coat is one of its distinctive features.
The dorsal coat is dark brown, dense, soft, and woolly; the underparts are dark grayish white.
Specimens have been reported from high montane forest at 2,200 and 2,800 m in the Central Cordillera.
The dorsal coat is 10–12 mm thick.
An extinction-risk assessment has not been added yet.