- Dobashi
- Dobberstein
- Dobbert
- Dobbs
- Dobel
- Doberer
- Dobkin
- Dobosz
- Dobra
- Dobrescu
- Dobrick
- Dobrila
- Dobrzynski
- Dobson
- Docherty
- Dock
- Dockal
- Dockens
- Dockweiler
- Dodd
- Dodds
- Dodson
- Dodt
- Doe
- Doege
- Doelle
- Doest
- Dog
- Dogan
- Doganci
- Dogo
- Doherty
- Dohm
- Dohmann
- Dohmen
- Dohn
- Dohr
- Dohring
- Dohrmann
- Dohrn
- Dohse
- Doig
- Doile
- Doisy
- Dokic
- Dokken
- Doko
- Doktor
- Dolan
- Dolar
- Dolberg
- Dolby
- Dolder
- Dolente
- Dolf
- Dolfi
- Dolgin
- Dolgova
- Dolin
- Dolinger
- Dolinsky
- Doll
- Dollar
- Dollard
- Doller
- Dollerup
- Dolling
- Dolma
- Dolmatova
- Dolo
- Dolu
- Dom
- Domagala
- Doman
- Domar
- Domazet
- Dombrowski
- Dombrowsky
- Domenicali
- Domingo
- Domingos
- Dominguez
- Dominiak
- Dominic
- Dominik
- Domino
- Domke
- Dommer
- Don
- Donadoni
- Donald
- Donard
- Donat
- Donati
- Donatien
- Donato
- Donde
- Done
- Doner
- Dones
- Dong
- Doni
- Donkersloot
- Donkin
- Donkor
- Donmez
- Donna
- Donne
- Donnell
- Donnelly
- Donner
- Dono
- Donohoe
- Donovan
- Dons
- Donzelli
- Doods
- Dool
- Doolan
- Dooley
- Doom
- Door
- Doorman
- Doorn
- Doornbos
- Doornink
- Doose
- Dor
- Dora
- Doran
- Dorbec
- Dorch
- Dore
- Doree
- Dorf
- Dorff
- Dorffler
- Dorgan
- Dorge
- Doric
- Dorin
- Dorka
- Dorland
- Dorman
- Dormann
- Dorn
- Dornak
- Dornan
- Dorner
- Dornfeldt
- Dorning
- Dorno
- Doroftei
- Dorow
- Doroz
- Dorsch
- Dorschel
- Dorset
- Dorson
- Dorst
- Dorte
- Dorthe
- Dorvil
- Dos
- Dosal
- Dosanjh
- Dose
- Dosen
- Doski
- Dosso
- Dost
- Dot
- Dotson
- Dotti
- Doucette
- Doue
- Douglas
- Douglass
- Douieb
- Doukkali
- Dous
- Douthwaite
- Douw
- Dovan
- Dove
- Dover
- Dovey
- Dow
- Dowdall
- Dowe
- Dowhan
- Dowler
- Dowling
- Down
- Downes
- Downey
- Downs
- Dowse
- Dowsett
- Dowsey
- Doy
- Doye
- Doyle