Väsby Simsällskap, commonly known as Väsby SS or VSS, is a swimming club from Upplands Väsby north of Stockholm, Sweden.

It was founded in 1964 and the home pool is Vilundabadet.

[1] Väsby SS is one of the major Swedish swim teams finishing in the top by medals on the latest[when?]

Swedish Swimming Championships.

Swimmers that have participated in the Summer Olympics while representing Väsby SS:[2]