Brown warrior or dark one — combining the Old Irish elements "donn" (brown, dark) and "cath" (battle or warrior).
Donnell
Hill of strength
Donnie
Strong and gentle
Donny
Strong and loyal
Donovan
dark champion
Donte
God is my strength
Dora
Dora means 'gift' — derived from the Greek word doron. It functions as both a standalone name and a short form of Dorothy and Theodora.
Dorcas
Helpful servant
Doreen
Sorrowful gift
Dorene
Gift from God
Doretha
Gifted by God
Dorian
Belonging to Doris, related to the Greek god of the sea
Doriane
French, feminine form of Dorian
Dorina
gift, godly, noble
Doris
gift, present
Dorothea
Gift of God
Dorothy
Gift of God
Dorris
Gift of earth
Dortha
Gift from God
Dorthy
Gathering place
Dot
A diminutive form of names starting with 'do' meaning 'point'
Dottie
Sweet little one
Doug
Steady leader
Dougal
dark stranger
Douglas
Dark Warrior
Dove
peaceful bird
Dovie
Desire fulfilled
Doyle
Strong and steadfast
Draco
Dragon's son
Drake
English: a lively one; Scottish: a fisherman
Drakon
Dragon's descendant
Draven
Dark and mysterious
Dream
Guiding vision
Drew
manly
Dreyson
strong, ruler
Drishti
clear sight, divine vision
Dror
freedom, sparrow
Dua
Closest to God
Duain
God is my people
Duane
Strong and sturdy
Dudley
Courtly nobleman
Duke
Noble leader
Dulce
Sweet delight
Dulcie
Sweet and gentle
Dulcinea
Means 'sweetness' or 'sweet one,' coined by Miguel de Cervantes from the Spanish adjective dulce (sweet). The name was invented for the idealized beloved of Don Quixote in the 1605 novel.