Missouri rattlesnake may refer to:
- Crotalus oreganus, a.k.a. the western rattlesnake, a venomous pitviper species found in North America in the western United States, parts of British Columbia and northwestern Mexico
- Crotalus viridis, a.k.a. the prairie rattlesnake, a venomous pitviper species native to the western United States, southwestern Canada, and northern Mexico
|This article includes a list of related items that share the same name (or similar names).
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