| Name | Website | Location | |
|---|---|---|---|
| UnterWasserWelt | unterwasserwelt.de | Germany | View publication |
| Unterwegs AUF DER Auto Bahn | unterwegs-auf-der-autobahn.de | Germany | View publication |
| Unthread | unthread.io | United States | View publication |
| UntiBebe | untibebe.com | France | View publication |
| UNU-WIDER | wider.unu.edu | Colombia | View publication |
| Unusual Nomad | unusualnomad.com | United States | View publication |
| unuudur.mn | unuudur.mn | Mongolia | View publication |
| Unwrap | unwraplfra.com.au | Australia | View publication |
| UOC (Symposium) | symposium.uoc.edu | United States | View publication |
| UODO | uodo.gov.pl | Poland | View publication |