Europe

www.voornamelijk.nl
does provide informations on naming trends in the Netherlands

www.nordicnames.de
does list a comprehensive collection of names from Scandinavia

www.finland.de/vornamen

www.beliebte-vornamen.de
popular names used in Germany

www.prenoms.fr
about French names

www.prenoms.com

Americas

about the problems finding a Native American name

the most popular names used in the US these days

Africa

Itsekiri Culture

Ethiopian names

African names

Asia

a Chinese renaming generator

All about Japanese Names

find Jewish girl names
site provides a lot of information including little known facts about kabbalah

find Jewish boy names

International

www.cool-baby-names.com
names from all over the planet
search for names that are uncommon by various criteria

www.babynamefacts.com

Others

odge.de
dictionary - find the English translation for a German word