The Northern Luzon shrew-rat (Crunomys fallax) is a species of rodent in the family Muridae. It is found only in the Philippines. Its natural habitat is subtropical or tropical dry forest. It is threatened by habitat loss.

• Musser, G. G.; Carleton, M. D. (2005). "Superfamily Muroidea". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 13113. ISBN 978-0-8018-8221-0. OCLC 62265494.