Y
| Yakima (US) | Yasuj (IR) | Yogyakarta (ID) |
| Yakutat (US) | Yazd (IR) | Yola (NG) |
| Yakutsk (RU) | Yekaterinburg (RU) | Yonago (JP) |
| Yamagata (JP) | Yellowknife (CA) | Yonaguni (JP) |
| Yan'an (CN) | Yeosu (KR) | Yopal (CO) |
| Yanbu` al Bahr (SA) | Yerevan (AM) | Youngstown (US) |
| Yancheng (CN) | Yibin (CN) | Yulin (CN) |
| Yangon (MM) | Yichang (CN) | Yuma (US) |
| Yanji (CN) | Yinchuan (CN) | Yuzhno-Sakhalinsk (RU) |
| Yantai (CN) | Yining (CN) | |
| Yaoundé (CM) | Yiwu (CN) |