Nai Gaj

{{refimprove|date=November 2024}}

{{Infobox river

| name = Nai Gaj

| name_other = {{lang|sd|نئي گاج}}, {{lang|ur|نئی گاج}}

| image = The stream of Nai Gaj.jpg

| image_caption = A flow of Nai Gaj

| mapframe = yes

| mapframe-zoom = 7

| source1_location = near Khuzdar

| source1_coordinates = {{coord|27|39|47|N|66|39|50|E}}

| mouth_location = Lake Manchar

| mouth_coordinates = {{coord|26|30|47|N|67|32|20|E}}

| subdivision_type1 = Country

| subdivision_name1 = {{PAK}}

| length =

| source1_elevation =

| discharge1_avg =

| river_system = Indus River Valley

| basin_size =

| progression = Lake Manchar→ Indus River→ Arabian Sea→ Indian Ocean

| extra =

}}

Nai Gaj ({{langx|sd|نئي گاج}}, {{langx|ur|نئی گاج}}) is an ephemeral river in Dadu District of Sindh, Pakistan. The Government of Pakistan build the Nai Gaj Dam on its course. Nai Gaj drains part of the Kirthar Mountains, and flows from Balochistan province towards Sindh. It ends at Lake Manchar after flowing through the arid areas of Kachho in Dadu District.{{cite web|url=https://www.dawn.com/news/1127001/watercourse-the-roaring-river-gaaj|title=Watercourse: The roaring River Gaaj|first=Aziz|last=Kingrani|date=24 August 2014|publisher=}}