Leptolalax eos, also known as the Rosy Litter Frog, is a species of frog in the family Megophryidae.

It is known in Bo Kluea District in northern Thailand; Phongsaly, Bolikhamxay, Oudomxai and Xaisomboun Provinces in Laos; Dien Bien, Thanh Hoa and Son La Provinces in northwestern Vietnam, and Yunnan, China.

It was previously confused with Leptolalax bourreti.

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