- Haack
- Haas
- Habermann
- Hackbart
- Hackney
- Hackworth
- Hadden
- Haddix
- Haddock
- Hadley
- Hadzic
- Haffler
- Haffley
- Hafley
- Haga
- Hagan
- Hagar
- Hagen
- Hager
- Haggard
- Haggin
- Hahn
- Haines
- Hainley
- Halcomb
- Hale
- Haley
- Haliburton
- Hall
- Hallock
- Halsted
- Ham
- Hamblin
- Hamilton
- Hamlin
- Hamlyn
- Hamm
- Hammond
- Hammonds
- Hammons
- Hamon
- Hampton
- Hamrin
- Hancock
- Handman
- Haney
- Hanich
- Hankins
- Hanko
- Hanks
- Hanley
- Hanna
- Hannahs
- Hanni
- Hanning
- Hanrahan
- Hansen
- Hanshaw
- Hanson
- Hapgood
- Happy
- Harberson
- Harbett
- Hardaway
- Harden
- Hardesty
- Hardie
- Hardin
- Harding
- Hardwick
- Hardy
- Hare
- Hargis
- Harker
- Harkins
- Harkless
- Harlamert
- Harlan
- Harlow
- Harman
- Harmon
- Harned
- Harney
- Harover
- Harp
- Harpe
- Harper
- Harr
- Harrell
- Harris
- Harrison
- Harshbarger
- Hart
- Hartleb
- Hartman
- Hartz
- Hartzler
- Harvey
- Hassall
- Hassebrook
- Hastings
- Hatfield
- Hathaway
- Hatter
- Hatton
- Haubenreich
- Haulk
- Hause
- Hauser
- Havens
- Hawk
- Hawkins
- Hawley
- Hawse
- Hayden
- Haydon
- Haye
- Hayes
- Hayhurst
- Haymaker
- Hayne
- Haynes
- Hays
- Hayse
- Haywood
- Hazard
- Hazelwood
- Head
- Heard
- Heaton
- Hebbeler
- Hedberg
- Hedger
- Hedges
- Hedrich
- Heet
- Heggs
- Hehl
- Hehman
- Heidemann
- Heil
- Heilbron
- Heim
- Heink
- Heiple
- Heiser
- Heister
- Hejja
- Helenburg
- Hellard
- Hellebusch
- Heller
- Hellmann
- Hellmueller
- Helmond
- Helms
- Helphinstine
- Helregel
- Helton
- Hench
- Henderson
- Hendren
- Hendricks
- Henke
- Henley
- Hennessy
- Hennig
- Henning
- Henricksen
- Henry
- Henselman
- Hensley
- Henson
- Hepburn
- Hepner
- Herald
- Herbst
- Herman
- Hermes
- Hermida
- Hernandez
- Herndon
- Herold
- Herrell
- Herrin
- Herrington
- Herrmann
- Herron
- Hersh
- Hertog
- Herzog
- Hess
- Hesseldenz
- Hestand
- Heuckroth
- Hewett
- Hewlett
- Heydinger
- Hiatt
- Hibbard
- Hibbitts
- Hibbs
- Hibpshman
- Hickey
- Hickland
- Hickman
- Hicks
- Hieger
- Higdon
- Higgason
- Higgins
- Highbarger
- Highland
- Hilderbrand
- Hilen
- Hiler
- Hill
- Hillard
- Hilliard
- Hillock
- Hilton
- Hilvers
- Himes
- Hinderberger
- Hines
- Hinkel
- Hinkle
- Hinkley
- Hinson
- Hinton
- Hisel
- Hishmeh
- Hisle
- Hislope
- Hitchcock
- Hitchner
- Hite
- Hixson
- Hoagland
- Hoang
- Hobbs
- Hocker
- Hodge
- Hodges
- Hodgin
- Hodgman
- Hodson
- Hoekelman
- Hoenscheid
- Hofacker
- Hofe
- Hoff
- Hoffmann
- Hogan
- Hohensee
- Holbrook
- Holcomb
- Holdaway
- Holden
- Holder
- Holeman
- Holl
- Holland
- Hollen
- Holleran
- Holley
- Holliday
- Hollingshead
- Hollingsworth
- Hollinshed
- Hollitt
- Holloway
- Holman
- Holmes
- Holsclaw
- Holt
- Honaker
- Honchell
- Honerkamp
- Honeycutt
- Honican
- Hood
- Hook
- Hooker
- Hoover
- Hopkins
- Hopper
- Horacek
- Hord
- Horine
- Horman
- Horn
- Hornback
- Horne
- Hornsby
- Horrocks
- Horton
- Hoskins
- Hosmer
- Hostetter
- Houchin
- Hougland
- Houglin
- Houlihan
- Hounschell
- Hounshell
- Hourigan
- House
- Houston
- Hoven
- Hovey
- Howard
- Howe
- Howell
- Hower
- Hoyt
- Hrabak
- Hricenak
- Huang
- Hubbard
- Huber
- Hubers
- Hubert
- Hudson
- Huff
- Huffman
- Huggins
- Hughbanks
- Hughes
- Hulan
- Hull
- Hultman
- Human
- Hume
- Humes
- Humphrey
- Hundley
- Hunley
- Hunn
- Hunt
- Hunter
- Hurd
- Hurlburt
- Hurley
- Hurst
- Hurt
- Hurter
- Hus
- Huser
- Huston
- Husz
- Hutcherson
- Hutcheson
- Hutchinson
- Hutchison
- Hutson
- Hutti
- Huy
- Hyatt
- Hyden
- Hymas
- Hynson