''Lai River'' may refer to:
Pakistan
*
Lai Nullah, also Lai River, flowing from the Margalla Hills through Rawalpindi
Papua New Guinea
*
Lai River (Purari) is a tributary of the
Purari River Purari may refer to:
* Purari River, Papua New Guinea
*Purari language
Purari (Namau) is a Papuan language of Papua New Guinea.
Names
Purari is also known as ''Koriki, Evorra, I'ai, Maipua,'' and ''Namau.'' "Namau" is a colonial term which mea ...
in Southern Highlands Province in the central highlands
*
Lai River (Sepik) is a tributary of the
Sepik River in Enga Province in the central highlands
Thailand
*
Nam Mae Lai is a tributary of the Yom River and part of the Chao Phraya River basin
Vietnam
*
Ba Lai River in the Mekong Delta region
*
Lai Giang River, known as the Lai River, in central Vietnam by
Bồng Sơn
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