Question: what are dutch last names?
Answer: De Jong. (86,534 in 2007) De Jong in 2007. ... 
Jansen. (75,698 in 2007) Jansen in 2007. ... 
De Vries. (73,152 in 2007) De Vries in 2007. ... 
Van de Berg / van den Berg / van der Berg. (60,135 in 2007) Van de/den/der Berg in 2007. ... 
Van Dijk. (57,879 in 2007) ... 
Bakker. (56,864 in 2007) ... 
Janssen. (55,394 in 2007) ... 
Visser. (50,929 in 2007)