Kaine – England
Kane – England
Kayne – England
Keith – Scotland
Kelley – Ireland, Scotland, England
Kelly – The British Isles
Kendall – Yorkshire
Kennedy – The British Isles
Kenney – England
Kidd – Canadian
Kilgore – Scotland
King – The British Isles
Kinney – Scottish
Kirk – England, Scotland
Kirkpatrick – Scottish
Knabbe – England
Knapp – England
Knappe – England
Knapper – England
Knappman – England
Knight – England
Knowles – England
Kramer – Germany
Kane – England
Kayne – England
Keith – Scotland
Kelley – Ireland, Scotland, England
Kelly – The British Isles
Kendall – Yorkshire
Kennedy – The British Isles
Kenney – England
Kidd – Canadian
Kilgore – Scotland
King – The British Isles
Kinney – Scottish
Kirk – England, Scotland
Kirkpatrick – Scottish
Knabbe – England
Knapp – England
Knappe – England
Knapper – England
Knappman – England
Knight – England
Knowles – England
Kramer – Germany