Spiny rat

Spiny rat may refer to: or any of the following genera or species of tropical or subtropical east Asian or Australasian rats of subfamily Murinae:
 * Echimyidae, the Neotropical spiny rats, a family of South and Central American caviomorph rodents
 * Echiothrix, a rat genus from Sulawesi
 * Maxomys, a genus of Southeast Asian rats
 * Large New Guinea spiny rat (Rattus praetor), a rat species from New Guinea and nearby islands
 * Small spiny rat or Stein's rat (Rattus steini), a rat species from New Guinea
 * Mindanao spiny rat (Tarsomys echinatus) from Mindanao
 * Tokudaia, a rat genus from the Ryukyu Islands