| City | Country |
|---|---|
| Yuyao | China |
| Yokosuka | Japan |
| Yola | Nigeria |
| Yidu | China |
| Yanjiao | China |
| Yong'an | China |
| Yueqing | China |
| Yakeshi | China |
| Yingmen | China |
| Yeosu | South Korea |
| Yingzhong | China |
| Yunzhong | China |
| Yildirim | Turkey |
| Yakou | China |
| Yakutsk | Russia |
| Yokkaichi | Japan |
| Yangsan | South Korea |
| Yeosu | South Korea |
| Yoshkar-Ola | Russia |
| Yanbu` | Saudi Arabia |
| Yao | Japan |
| Yato | Japan |
| Yamagata | Japan |
| Yachiyo | Japan |
| Yuzhno-Sakhalinsk | Russia |
| Yamaguchi | Japan |
| Yei | South Sudan |
| York | United Kingdom |
| Yangmei | Taiwan |
| Yilan | Taiwan |
| Yonago | Japan |
| Yima | China |
| Yaritagua | Venezuela |
| Yunxian Chengguanzhen | China |
| Yaizu | Japan |
| Yongqing | China |
| Yulu | China |
| Yavatmal | India |
| Yessentuki | Russia |
| Yenangyaung | Myanmar |
| Yoju | South Korea |
| Yongju | South Korea |
| Yasuj | Iran |
| Yevpatoriia | Ukraine |
| Yopal | Colombia |
| Yelets | Russia |
| Yunfu | China |
| Yishi | China |
| Yilong | China |
| Yashio | Japan |