Lai River

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 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