ZSM

ZSM stands for;

1. ZSM stands for Zo Spoedig Mogelijk
2. ZSM stands for Zo Snel Mogelijk (Dutch: as soon as possible)
3. ZSM stands for Zavod za Standardizacija I Metrologija
4. ZSM stands for Zuider Stoomtramweg Maatschappij (Dutch: Southern Steam Tramway Preservation Society; public transport company)
5. ZSM stands for Zoological Society of Milwaukee County (Wisconsin)
6. ZSM stands for Zoologische Staatssammlung Munchen (German: Bavarian State Collection of Zoology; Munich, Germany)