Verhagen is a Dutch-language toponymic surname.
It is a contraction of Van der Hagen, meaning "from/of the haag.
A haag was a bushland, hedged lot, or (private) hunting ground.
The name could also specifically refer to an origin in The Hague (since 1242 known as De Hage and variant spellings).
[1] Some variant spellings of the name are Verhaagen, Verhaegen, Verhaeghe, Verhaeghen, Verhage, and Verhaghen.