Y
| Yakima WA (US) | Yantai (CN) | Yogyakarta (ID) |
| Yakutat AK (US) | Yaounde (CM) | Yola (NG) |
| Yakutsk (RU) | Yap (FM) | Yonago (JP) |
| Yamagata (JP) | Yazd (IR) | Yonaguni Jima (JP) |
| Yam Island QL (AU) | Yellowknife NT (CA) | Yorke Islands QL (AU) |
| Yan'an (CN) | Yeosu (KR) | York Landing MB (CA) |
| Yanbu (SA) | Yerevan (AM) | Yoronjima (JP) |
| Yancheng (CN) | Yibin (CN) | Youngstown OH (US) |
| Yandina (SB) | Yichang (CN) | Yulin (CN) |
| Yangon (MM) | Yinchuan (CN) | Yuma AZ (US) |
| Yangyang (KR) | Yining (CN) | Yuzhno-Sakhalinsk (RU) |
| Yanji (CN) | Yiwu (CN) |