As of December 2025, the International Union for Conservation of Nature (IUCN) lists 896 data deficient amphibian species. 11.1% of all evaluated amphibian species are listed as data deficient.
This is a complete list of data deficient amphibian species and subspecies as evaluated by the IUCN, last substantially updated February 2022. Where possible common names for taxa are given while links point to the scientific name used by the IUCN.
There are 45 salamander species assessed as data deficient.
There are 768 frog species assessed as data deficient.
There are 91 species in the order Gymnophiona assessed as data deficient.