The 13. Vorpostenflotille (13th Vorposten Flotilla) of the Kriegsmarine during World War II consisted of several ships, primarily used for coastal defense and escort duties. The names of some notable ships in this flotilla include:

1. V 501 S (ex-SS Sokol)
2. V 502 S (ex-SS Hohenstein)
3. V 503 S (ex-SS Albrecht)
4. V 504 S (ex-SS Auerhahn)
5. V 505 S (ex-SS Seefalke)
6. V 506 S (ex-SS Zorndorf)
7. V 507 S (ex-SS Greif)
8. V 508 S (ex-SS Sirdar)
9. V 509 S (ex-SS Hohenlohe)
10. V 510 S (ex-SS Lothringen)

These vessels were primarily commandeered merchant ships adapted for military use. The Vorpostenflotille played a crucial role in the German naval strategy along the coasts, conducting patrols and providing support for other naval operations.

For a more detailed overview of the ships and their specifications, you may refer to resources such as naval history websites or dedicated military history books.