Family name Horsan (Horsan 
) , all over the world, is a rare surname. The cognomen Horsan is habitual in Belgium, where it is a very rare surname, Indonesia, and Germany, where it is an extremely rare surname. Very seldom, Horsan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Horsan | Germany, Indonesia, Belgium, Philippines, India |