Across the world, Siep (Siep 
) is a rare principally boy's, but scarcely feminine first name. The first name Siep is characteristic of Western Europe, particularly Netherlands, where it is a rare principally masculine, but very seldom feminine name. More prevalently, Siep is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Siep | Germany, Indonesia, Belgium, United States, Netherlands |
|
siep posthumus Dutch politician (1910-1987), NL (b. 1910) |
|
|
siep benninga Dutch football player, NL (b. 1929) |
|
|
siep de haan NL (b. 1958) |
|
| siep martens NL (b. 1930) |
|
|
| siep stuurman Dutch university teacher, NL (b. 1946) |
|
|
| siep hoekstra NL (b. 1956) |
|
|
| siep wouda researcher |
|
|
| siep weiland Ph.D. Rijksuniversiteit Groningen 1991 |
|
|
| siep van lingen |
|