| ubaiduk99 | Pakistan | ubaiduk99@gmail.com | Yes | |
| UBGhimire | Nepal | ghimire_uddhaw@yahoo.com | Basin Management Center | Yes |
| ucase | Nepal | chaulagai28@gmail.com | none | Yes |
| ucbtbev | United Kingdom | ucbtbev@ucl.ac.uk | UCL | Yes |
| uchit123 | Nepal | uchit.sng@gmail.com | SKKU | Yes |
| udasa | Canada | hgn.udas@gmail.com | Yes | |
| Udaya | Nepal | neupane.udaya01@gmail.com | Hydropower Projects | Yes |
| Udaya_1 | Nepal | udayapdl.0710@gmail.com | AFU | Yes |
| udayan | Nepal | iamudayan@gmail.com | ICIMOD | Yes |
| udaykunwarthapa | United States of America | nepuday@gmail.com | University pf Minnesota | Yes |