- Danish National Archives online https://www.sa.dk/en/ (parish registers & censuses)
- Counties of Denmark https://www.dis-danmark.dk/kort/kort.htm
- Cyndi's list for Denmark http://www.cyndislist.com/denmark.htm
- Danish Demographic Database, Daisy https://www.sa.dk/en/services/online-services/
- Danish emigration archives https://aemi.eu/the-danish-emigration-archives/
- Danish Family Search https://www.danishfamilysearch.com
- Danish Genealogical Dictionary http://www3.sympatico.ca/colin.swift/danish.htm
- Danish Parish Registers & Census Online http://www.rootsweb.ancestry.com/~dnkcen/
- Dansk Demografisk Database http://ddd.dda.dk/ddd_en.htm
- Denmark Genealogy Links http://www.genealogylinks.net/europe/denmark/
- FamilySearch
Denmark Church Records https://www.familysearch.org/wiki/en/Denmark_Church_Records (FamilySearch Wiki)
Denmark Encyclopedias and Dictionaries https://www.familysearch.org/wiki/en/Denmark_Encyclopedias_and_Dictionaries (FamilySearch Wiki)
Denmark Genealogy https://www.familysearch.org/wiki/en/Denmark_Church_Records (FamilySearch Wiki) - My Danish Roots.com https://mydanishroots.dk (professional genealogists)
- MyHeritage Denmark Collection Catalog https://www.myheritage.com/research/catalog?location=Denmark
- Society for Danish Genealogy and Personnel History https://www.genealogi.dk
See also "Miscellaneous useful sites for international genealogy"