| -U- | -V- | -Z- |
| Uganda | Vatican City | |
| Ukraine | Venezuela | |
| United Arab Emirates | Viet Nam | |
| United Nations | Virgin Islands | |
| United Nations - Vienna | -W- | |
| United States | -X- | |
| United States - Canal Zone | -Y- | |
| United States - Ryukyu Is. | Yemen | |
| Uruguay | Yugoslavia | |
| Yugoslavia - Trieste, Zone B |
Promoting collecting lighthouses on stamps and related items
