| Praepapilio Temporal range: Eocene |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Papilionidae |
| Subfamily: | Praepapilioninae |
| Genus: | †Praepapilio Durden & Rose, 1978 |
| Species [1] | |
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Praepapilio is an extinct genus of swallowtail butterfly from the middle Eocene deposits of Colorado, United States. It belongs to the extremely few papilionid fossils ever discovered and is now considered to represent the fossil subfamily Praepapilioninae.[2] Two species were described, each from a single fossil find.