Vattenhammar
Vattenhammar is a Swedish surname. Its origins are likely to be descriptive, combining the Swedish words "vatten" meaning water and "hammar" meaning hammer. This could refer to a geographical feature where water is present near a hammer-shaped rock formation, or potentially a historical occupational name related to water and metalworking.
The surname appears to be relatively uncommon. Like many surnames, its distribution is concentrated in Sweden,
There is no widely known public figure or significant historical event directly associated with the surname