The Singapore International Water Week (SIWW) is a conference in Singapore for the global water industry.
The programme culminates with the Lee Kuan Yew Water Prize.
Since 2012, SIWW has been held biennially in conjunction with the World Cities Summit and CleanEnviro Summit Singapore.
In 2013, the attention was focused on the water utility sector with the SIWW Water Utilities Leaders Forum (SWULF).
In 2018, the SIWW featured and served NEWBrew, a beer brewed from NEWater.