Geographic Name | Country Reference | Latitude (deg min) | Longitude (deg min) |
| Yalu River | China, North Korea | 39 55 N | 124 20 E |
| Yamoussoukro (capital) | Cote d'Ivoire | 6 49 N | 5 17 W |
| Yangon (see Rangoon) | Burma | 16 47 N | 96 10 E |
| Yaounde (capital) | Cameroon | 3 52 N | 11 31 E |
| Yap Islands | Federated States of Micronesia | 9 30 N | 138 00 E |
| Yaren (governmental center) | Nauru | 0 32 S | 166 55 E |
| Yekaterinburg (city; formerly Sverdlovsk) | Russia | 56 50 N | 60 39 E |
| Yellow Sea | Pacific Ocean | 36 00 N | 123 00 E |
| Yemen Arab Republic (also Yemen (Sanaa); former name for northern portion of Yemen) | Yemen | 15 00 N | 44 00 E |
| Yemen, People's Democratic Republic of (also Yemen (Aden); former name for southern portion of Yemen) | Yemen | 14 00 N | 46 00 E |
| Yerevan (capital) | Armenia | 40 11 N | 44 30 E |
| Yokohama (city) | Japan | 35 26 N | 139 37 E |
| Youth, Isle of (Isla de la Juventud) | Cuba | 21 40 N | 82 50 W |
| Yucatan Channel | Atlantic Ocean | 21 45 N | 85 45 W |
| Yucatan Peninsula | Mexico | 19 30 N | 89 00 W |
| Yugoslavia (former name for a federation of Serbia and Montenegro) | Montenegro, Serbia | 43 00 N | 21 00 E |
| Yugoslavia, Kingdom of (former name for a Balkan federation) | Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Serbia, Slovenia | 43 00 N | 19 00 E |
| Yugoslavia, Socialist Federal Republic of (former name for a Balkan federation) | Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Serbia, Slovenia | 43 00 N | 19 00 E |
| Zagreb (capital) | Croatia | 45 48 N | 15 58 E |
| Zaire (former name for the Democratic Republic of the Congo) | Democratic Republic of the Congo | 15 00 S | 30 00 E |
| Zakhalinskiy Zaliv (bay) | Pacific Ocean | 54 00 N | 142 00 E |
| Zaliv Shelikhova (bay) | Pacific Ocean | 60 00 N | 157 30 E |
| Zambezia (region) | Mozambique | 16 00 S | 37 00 E |
| Zanzibar (island) | Tanzania | 6 10 S | 39 11 E |
| Zhong Guo, Zhonghua (local name for China) | China | 35 00 N | 105 00 E |
| Zion, Mount (locale in Jerusalem) | Israel, West Bank | 31 46 N | 35 14 E |
| Zurich (city) | Switzerland | 47 23 N | 8 32 E |