Krishnai River

{{short description|River in India}}

{{Infobox river

| name = Krishnai River

| native_name ={{native name|as|কৃষ্ণাই নদী}}

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| pushpin_map = India Assam#India

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| subdivision_type1 = State

| subdivision_name1 = Meghalaya & Assam

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| source1 = West Garo Hills

| source1_location = Meghalaya

| source1_coordinates = {{coord|25.6209436|N|90.3620221|E|display=inline}}

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| mouth = Mornoi River

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| mouth_coordinates = {{coord|26|04|30.1|N|90|45|16.8|E|display=inline}}

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| progression = Krishnai River - Dudhnoi River – Mornoi River - Brahmaputra River

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The Krishnai River is a sub-tributary of the Brahmaputra River in the Indian state of Assam. The Krishnai River originates in the West Garo Hills of Meghalaya. The Krishnai River meets Dudhnoi River at Matia of Goalpara district and then flows as Mornoi River before its confluence with the Brahmaputra River.{{Cite web|url=http://cgwb.gov.in/District_Profile/Assam/Goalpara.pdf|website=Goalpara district profile|title=Ground Water Information Booklet Goalpara District, Assam|language=en|access-date=27 September 2020}}