- Hawkins
- Hawthorne
- Hayward
- Hazel Green
- Hazelhurst
- Heafford Junction
- Helenville
- Herbster
- Hertel
- Hewitt
- High Bridge
- Highland
- Hilbert
- Hillpoint
- Hillsboro
- Hingham
- Hixton
- Holcombe
- Hollandale
- Holmen
- Honey Creek
- Horicon
- Hortonville
- Houlton
- Hubertus
- Hudson
- Humbird
- Hurley
- Hustisford
- Hustler
- Independence
- Iola
- Irma
- Iron Belt
- Iron Ridge
- Iron River
- Ixonia
- Jackson
- Janesville
- Jefferson
- Jim Falls
- Johnson Creek
- Juda
- Jump River
- Junction City
- Juneau
- Kansasville
- Kaukauna
- Kellnersville
- Kendall
- Kennan
- Kenosha
- Keshena
- Kewaskum
- Kewaunee
- Kiel
- Kieler
- Kimberly
- King
- Kingston
- Knapp
- Kohler
- Krakow
- La Crosse
- La Farge
- La Pointe
- La Valle
- Ladysmith
- Lake Delton
- Lake Geneva
- Lake Mills
- Lake Nebagamon
- Lake Tomahawk
- Lakewood
- Lancaster
- Land O Lakes
- Lannon
- Laona
- Larsen
- Lebanon
- Lena
- Leopolis
- Lime Ridge
- Linden
- Little Chute
- Little Suamico
- Livingston
- Lodi
- Loganville
- Lomira
- Lone Rock
- Long Lake
- Lowell
- Loyal
- Lublin
- Luck
- Luxemburg
- Lyndon Station
- Lynxville
- Lyons
- Madison
- Maiden Rock
- Malone
- Manawa
- Manitowish Waters
- Manitowoc
- Maple
- Maplewood
- Marathon
- Marengo
- Maribel
- Marinette
- Marion
- Markesan
- Marquette
- Marshall
- Marshfield
- Mason
- Mather
- Mattoon
- Mauston
- Mayville
- Mazomanie
- Mc Farland
- Mc Naughton
- Medford
- Mellen
- Melrose
- Menasha
- Menomonee Falls
- Menomonie
- Mequon
- Mercer
- Merrill
- Merrillan
- Merrimac
- Merton
- Middleton
- Mikana
- Milladore
- Millston
- Milltown
- Milton
- Milwaukee
- Mindoro
- Mineral Point
- Minocqua
- Minong
- Mishicot
- Mondovi