- Haab
- Haddon
- Hagan
- Hagen
- Hagener
- Hahlbohm
- Haider
- Haight
- Hail
- Hall
- Hallauer
- Hallberg
- Haller
- Hallsten
- Ham
- Hamerla
- Hames
- Hampa
- Hanpa
- Hansen
- Hanson
- Hardman
- Harp
- Harrington
- Harriott
- Harris
- Harrison
- Hart
- Hartzog
- Harwell
- Haseman
- Hastings
- Hatcher
- Hathy
- Hauck
- Havens
- Hawkins
- Hayes
- Hayhurst
- Hays
- Hazard
- Hazelton
- Heath
- Hedberg
- Heen
- Heffner
- Heil
- Heiser
- Hellhake
- Hemry
- Henderson
- Hendrickson
- Hendrix
- Henkel
- Henry
- Henson
- Herbert
- Herrin
- Hertweck
- Hess
- Hewitt
- Hickman
- Hicks
- Higgins
- Hihnala
- Hilander
- Hildenstab
- Hill
- Hills
- Hiltabrand
- Hinch
- Hitt
- Hobson
- Hodge
- Hodges
- Hoffer
- Hoffman
- Hohn
- Hokit
- Holland
- Holloway
- Holman
- Holshue
- Holzwarth
- Horne
- Horner
- Horton
- Hoskins
- Hotvedt
- Houghton
- Houle
- Hovden
- Howell
- Hoy
- Hoyrup
- Hronek
- Hubbard
- Hubber
- Hudson
- Hughes
- Hultin
- Hunt
- Hunter
- Huot
- Hurlbut
- Huxley
- Hyatt