Surname St Helen (St Helen 
) , in the entire world, is a very rare last name. The family name St Helen is habitual in Saint Lucia, where it is quite a common surname, the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, St Helen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| St Helen | United Kingdom, Canada, Saint Lucia, United States |