The endemic species of Taiwan are organisms that are endemic to the island of Taiwan – that is, they naturally occur nowhere else on Earth.
Percentages of endemic species and subspecies in selected animal groups in Taiwan:
| Category | Total species | Endemic species (& ssp.) | Percentages |
| Mammals | 70 | 45 | 64% |
| Birds | 450 | 84 | 19% |
| Reptiles | 85 | 27 | 32% |
| Amphibians | 37 | 17 | 46% |
| Freshwater fish | 220 | 36 | 16% |
| Butterflies | 400 | 50 | 13% |
| Total | 1,257 | 252 | 20% |
Percentages of endemic plants of all living species in Taiwan.[1]
| Category | Total (native) species | Endemic species (& ssp.) | Percentages |
| Pteridophytes | 629 | 72 | 11% |
| Gymnosperms | 28 | 18 | 64% |
| Dicotyledons | 2,410 | 750 | 31% |
| Monocotyledons | 1,010 | 227 | 23% |
| Total | 4,077 | 1,067 | 26% |
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32 endemic bird species and another 52 endemic subspecies of Taiwan have been identified (out of a total of 686 bird species). The thirty-two endemic species make up about 4.6 % of all birds living in Taiwan.
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Cultivated crops endemic to Taiwan:
