''Leptocarpus'' may refer to:
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''Leptocarpus'' (crustacean), a genus of shrimps in the family
Palaemonidae
Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the deep sea. One significant genus is ''Macrobrachium'', which contains commerc ...
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''Leptocarpus'' (plant), a genus of flowering plants in the family Restionaceae
{{Genus disambiguation