Unknown; possibly a modern variant of Hazen
Haizen is a rare modern name with an unclear etymology. It is likely a creative spelling variant of the English surname Hazen, which may refer to a 'hedged enclosure' or a 'place of hares,' or it could be a contemporary invention following the popular '-en' suffix trend.
About 21 boys were named Haizen in 2025.
US births per 5-year period, 1990–present (SSA data).
