| UjwalNeupane | Nepal | ujwal.neupane69@gmail.com | NIc | Yes
|
| Ujwol | Nepal | uprajapati@gmail.com | Melamchi | Yes
|
| ukharit | United States of America | uharitashya1@udayton.edu | University of Dayton | Yes
|
| UlfatMajeed | India | ulfatmgis@gmail.com | University of kashmir | Yes
|
| ulloa18 | Taiwan, Province of China | ivannuel@g.ncu.edu.tw | National Central ?university | Yes
|
| Ulysse | France | ulysse.m94@gmail.com | Université Paris 1 - Panthéonn Sorbonne | Yes
|
| umair_kayani | Pakistan | muhammadumairkayani5@gmail.com | PMAS Arid Agriculture University | Yes
|
| Umair381 | Pakistan | umairrasool31@hotmail.com | Beijing Normal University | Yes
|
| Umakanth | India | uppara.umakanth@tropmet.res.in | IITM, Pune | Yes
|
| Umanga | Nepal | umangapandit5@gmail.com | | Yes
|