Daddy-O 
Daffodil - Daffy
Dag - Dagger
- Dagget
Daggi - Dagmar
Dagney 
Dahlair - Dahlia
- Daile
- Daisy
- Daisy Belle
- Daisy Dook
- Daisy Lollipop
- Daisy Lou
- Daisy Mae
- Daisy Mai
- Daisy May
- Daisyet
- Dakini
Dakota - Dakota Star
- Dale
Dallas - Dalton
- Damian
- Damien
- Dammit (Di for short)
- Damon
- Dan
- Dana
- Danae
- Danally
- Dancer
- Dandelion
- Dandy
- Danger
- Dango
- Dani
- Danica
- Daniel
- Danielle
- Danny
- Dante
- Danzig
- Daphne
- Dapple
- Daquri {Daki}
- Dar
- Dara
- Darby
- Darci
- Darcy
- Darin
- Dario
- Darius
- Dark Night
- Darka
- Darkstar
- Darla
- Darma
- Darrow
- Darryl
- Dartagonon
- Darth-Vader
- Darva
- Darwin
- Dash
- Dashalyn
- Dasher
- Dasi
- Dastardly
- Dave
- Davee
- David
- Davidson
- Davina
- DaVinci
- Davy
- Dawn
- Dax
- Daxter {Dax}
- Daytona
- Daz
- Dazzel
- Dazzle
- Dazzler
- Dazzy
- Dean
- Deano
- Debbi
- Debeli
- Decutness
- Dee Dee
- Deedra
- Degas
- Deigo
- Deino
- Deja
- Del
- Delila
- Delilah
- Delirium
- Demento
- Demeter
- Demetri
- Demi
- Demitria
- Demon
- Dena
- Denali
- Denisha
- Denton
- Denver
- Deo
- Derby
- Derek
- Dervish
- Desiree
- Desperado
- Destiny
- Deuce
- Deva
- Devel
- Devlin
- Devo
- Devon
- Dew
- DeWease
- Dewey
- Dexie
- Dexter
- Dexy
- Dez
- Dezi
- Dia
- Diablo {Devil}
- Diamond
- Dib
- Dibi
- Dice
- Dickens
- Diddley
- Dideaux
- Didget
- Didi
- Dieb
- Diego
- Diesel
- Diesel The Weasel
- Digby
- Digger
- Diggin
- Diglet
- Dijee
- Dillinger
- Dillon
- Dilly
- Dimitree
- Dimitri
- Din-Din
- Dina
- Dinah
- Ding
- Ding Dong
- Dinglebrain
- Dink
- Dinky
- Dion
- Dipstick
- Dipsy
- Dirby
- Dirka
- Dirty Dingus
- Disco
- Dit Dit
- DitCee
- Ditsy
- Ditto
- Ditzy
- Diva
- Divot
- Dixen
- Dixie
- Dixierose
- Dizzy
- Dizzy Daisy
- Djodjo
- Do
- Dobbie
- Dobby
- Dobie
- Doc
- Doc Holiday
- Doddle
- Dodger
- Dodo
- Doink
- Dokota
- Dolce
- Dolly
- Dom Perignon
- Dominic
- Domino
- Donald
- Donatello
- Donna
- Donnatella
- Donner
- Donner Kuchen
- Donut
- Dooby
- Dooda
- Doodle
- Doodlebug
- Dooey
- Doofus
- Doogie
- Dook
- Dooker
- Dookey
- Dookie {Mr Chook}
- Dookster
- Dooley
- Doom
- Dooney
- Doorstop
- Doozer
- Dopey
- Dora
- Dori
- Dorise
- Dorito
- Dorris
- Dory
- Dot
- Dottie
- Dotty
- Doug
- Dougal
- Douglas
- Dowi
- Doyle
- Dozer
- Dr. J. R. Vance
- Drabble
- Draco
- Draconis
- Dracore
- Dragon
- Drako
- Drea
- Drefan
- Dreidel
- Drek
- Drekthar {Drek}
- Drew
- Drifter
- Drizzle
- Droopy
- Drusilla
- Duckie
- Ducky
- Dude
- Dudet
- Dudley
- Dudley Doolittle {Dudley}
- Duffy
- Duke
- Dukie
- Dulce
- Duly
- Dum-Dum
- Dumpling {Dumper}
- Dumpster Dan
- Duncan
- Dunja
- Dunkin
- Duotone
- Dupree
- Durango
- Durvile
- Dustin
- Dusty
- Dutch
- Dweezil
- Dylan
- Dynamite
- Dynamo
- Dynasty
- Dysis
- Dyvora
- Earl
- Eb
- Ebony
- Echo
- Ed
- Eddie {Edward}
- Eddison
- Eden
- Edgar {Gumbo}
- Edge
- Edie
- Edna
- Edsel
- Edward {ed}
- Edward Alexander {Xander}
- Eeno
- Eeyore
- Effa
- Effie Jane
- Egon
- Egor
- Egypt
- Einstein
- Einstien
- Eirene
- Eito
- Ekko
- El Guapo
- Elanna
- Eleanora
- Electra
- Elena
- Eleroo
- Elfin
- Elfric
- Eli
- Elias
- Elijah Sebastian {Bastian}
- Elik
- Elisa
- Elisabeth
- Elise
- Eliza
- Elizabeth
- Ella
- Elle
- Elli
- Ellie
- Elliot
- Elliott
- Elliott Stewart {Stewy}
- Ellis
- Elly
- Elly Mae
- Ellyse
- Elmer
- Elmo
- Elmoe
- Elodie
- Eloise
- Elroy
- Elsa
- Elsie
- Elska
- Elvira
- Elviro
- Elvis
- Elwood
- Ema
- Emerald
- Emery
- Emil
- Emilee
- Emilio
- Emily
- Emily Eliza {Emerlily}
- Emily Jo
- Emily Penelope
- Emma
- Emmah
- Emmet
- Emmett Everett {Dooks}
- Emmitt
- Emmo
- Emmory
- Emmy
- Emo
- Emu
- Ena
- Enamorado
- Enchilada
- Enrique
- Entei
- Enya
- Enyo
- Enzo
- Eoweyn
- Epic
- Epona
- Eppie
- Epsilon
- Erika
- Erin
- Erin Rebecca {Chocolate Chip}
- Eris
- Erma
- Ermentrude
- Ermine
- Ernabelle
- Ernestine
- Ernie
- Errol
- Ersa
- Ersala
- Ertle
- Esme
- Esmerelda
- Esprit
- Estée
- Estelle
- Estrella
- Ethan
- Ethel
- Ethyl
- Eunice
- Eunji
- Eva
- Evan
- Evel
- Evelyn
- Evie
- Evie Emma {Boo or Boosie}
- Evil
- Evil Twin
- Evita
- Evo
- Explorer
- Expresso
- Ezekial {Zeke}
- Ezekiel
- Ezra {Ez}
- Ezzie
- Fabala
- Faber
- Fabio
- Faden {Feydey}
- Faerune {Fae}
- Fahra
- Fairy
- Faith
- Fakhir
- Fala
- Falcor
- Falkor
- Fallon
- Falstaff
- Fancy
- Fang
- Fangora
- Fanta
- Fara
- Faraday
- Farfalla
- Farfel
- Farken
- Farley
- Farlow
- Faroke
- Farra
- Farrah
- Farrah Weezie
- Farrell
- Farress
- Farron
- Fat Lizard
- Fat So
- Fatboy
- Fate
- Fatso
- Fatty
- Faulkner
- Fauna
- Fawn
- Fay
- Faygo {FaygoFerret}
- Fayla
- Feasel
- Febe
- Fee { Feezel}
- FeFe the Ferret
- Feiby
- Felicia
- Felicity
- Felipe
- Felix
- Feliz
- Fella
- Felony
- Fen
- Fencer
- Fender
- Fendi
- Fendro
- Fenia
- Fenrir
- Fenris
- Fenton
- Fenty
- Fenway
- Fer Root
- Ferasha
- Ferd Nert
- Ferda
- Ferdie
- Ferdinand
- Feretta FuzzyButt
- Fergal
- Fergi
- Fergie
- Fergus
- Ferguson
- Fern
- Fernando
- Ferocia
- Ferra
- Ferramon
- Ferrari
- Ferrecon
- Ferren
- Ferret
- Ferret Bob
- Ferret Bob Fur Pants
- Ferret Bueller
- Ferret Faucette
- Ferret Fawcett
- Ferretface
- Ferretkhan
- Ferri
- Ferris
- Ferris Beuller
- Ferrita
- Ferritic
- Ferrity
- Ferry
- Ferry Berry
- Fert {Ferret}
- Ferty
- Fester
- Fey
- Fez
- Fezz
- Fezza
- Fezzik
- Fiddlehead
- Fidel
- Fidget
- Fidgit
- Fido
- Fierse
- Fiesty
- Fievel
- Fiffy
- Fifi
- Fig {Newton}
- Figaro
- Figit
- Figment
- Fijit
- Fikri
- Filbert
- Fillip Bo
- Fillippo
- Filo
- Filper
- Finkles
- Finley
- Finn
- Finnegan
- Fiona
- Fira
- Fire Eyes
- Fireball
- Firf
- Fisby
- Fishbone
- Fisski
- Fitch
- Fitz
- Fiver
- Fiyero
- Fiz
- Fizget
- Fizz
- Fizzgig
- Fizzle
- Fizzy
- Flake
- Flanders
- Flash
- Flee
- Fletch
- Flick
- Flicka
- Flicker
- Flint
- Flip
- Flirt
- Flit
- Flizard
- Flo
- Flocci
- Floozy
- Floppy
- Flora
- Florence
- Flossum
- Flotsam
- Flounder
- Flower
- Floyd
- Fluffee
- Fluffernutter
- Fluffers
- Fluffo
- Fluffy
- Fluke
- Flurry
- Fog
- Foggy
- Folberth
- Fonzie
- Fonzo
- Foo Foo
- Foofer
- Foofur
- Foofus
- Foot-Foot
- Ford
- Forest
- Forest Gump
- Fosbury
- Foster
- Foudini
- Foxy
- Foxy Cleopatra
- Foyle
- Fozzy
- Fraggle
- Fraidy
- Frances Bean
- Frances Ford Ferreta
- Francesca
- Franchesca
- Francine
- Francuz
- Frank
- Frank The Tank
- Frankenbob {Frankenbobber or just plain Bob}
- Frankenfruter
- Frankie
- Franklin
- Franky
- Frannie
- Frasier
- Frazzel
- Frazzle
- Freckles
- Fred
- Freddie
- Freddy
- Fredericka
- Fredrick L. Winkles
- Free Wheelin'
- Freebie
- Freedo
- Freeze
- Freki
- Frenchie
- Frenchy
- Frenzal
- Frenzy
- Fresca
- Fresco
- Fresno
- Fretaluna
- Fretsel
- Frettchen
- Fretzal
- Fretzal Pretzal
- Freya
- Frick
- Frido
- Frieda
- Frimousse
- Frisco
- Frisket
- Friskett
- Frisky
- Frito
- Fritz
- Frixy
- Frizbee {Friz-Friz}
- Frizzball
- Frizzle
- Frizzy
- Frodo
- Frollo
- Frost Bite
- Froststorm
- Frosty
- Froto
- Fruit Loop
- Fruit Loops
- Fruitcake
- Frumpy
- Frye
- Fubar
- Fubu
- Fudd
- Fuddles
- Fudge
- Fuji
- Fuki
- Fungo
- Funshine
- Fur Rat
- Fur-Face
- Furball
- Furbs
- Furby
- Furioso
- Furlong
- Furo
- Furred-Destroyer
- Furret
- Furry
- Fury {Curious Furious}
- FuSchnickens {Fu}
- Fusser
- Fuzz Bucket
- Fuzzball
- Fuzzbutt {Fuzz}
- Fuzzel
- Fuzzels
- Fuzzers
- Fuzzmuzz
- Fuzzy {Fuzzy Butt}
- Fuzzy-Moto
- Fuzzybear