Names Kilmer Fam through Lauringson Fam
- Kilmer Fam
- Kim Fam
- Kima Fam
- Kimball Fam
- Kimber Fam
- Kimberly Fam
- Kincade Fam
- Kincaid Fam
- Kinford Fam
- King Fam
- Kingston Fam
- Kinnel Fam
- Kinnison Fam
- Kipp Fam
- Kir Fam
- Kirk Fam
- Kirkham Fam
- Kirkland Fam
- Kirkpatrick Fam
- Kirkwood Fam
- Kirlikovali Fam
- Kirolos Fam
- Kirschman Fam
- Kirsey Fam
- Kishineff Fam
- Kiss Fam
- Kitchen Fam
- Kittredge Fam
- Kitty Fam
- Kjenstad Fam
- Klahr Fam
- Kleinschmidt Fam
- Klepfer Fam
- Klever Fam
- Kleypas Fam
- Kline Fam
- Klinginsmith Fam
- Klocker Fam
- Klopson Fam
- Knephoff Fam
- Knorr Fam
- Knox Fam
- Knudsen Fam
- Knutson Fam
- Kodkani Fam
- Koelling Fam
- Koestner Fam
- Kogelschatz Fam
- Koger Fam
- Kogut Fam
- Kohama Fam
- Kolleda Fam
- Koltun Fam
- Kon Fam
- Kong Fam
- Konner Fam
- Koo Fam
- Koon Fam
- Kopplin Fam
- Korte Fam
- Koss Fam
- Kothur Fam
- Kotker Fam
- Kozlowski Fam
- Kozma Fam
- Kozol Fam
- Krambeer Fam
- Kramer Fam
- Krasnowski Fam
- Kreager Fam
- Kreiensieck Fam
- Krein Fam
- Kreitler Fam
- Kretsinger Fam
- Krieger Fam
- Kris Fam
- Krisantia Fam
- Krishnan Fam
- Krista Fam
- Kristen Fam
- Kristin Fam
- Kristina Fam
- Kristine Fam
- Kronenberg Fam
- Kronfeld Fam
- Krusse Fam
- Kuang Fam
- Kudlaty Fam
- Kuetliong Fam
- Kuhlmann Fam
- Kuhnen Fam
- Kuliyanovsk Fam
- Kunde Fam
- Kupers Fam
- Kuphaldt Fam
- Kurt Fam
- Kurtzman Fam
- Kuster Fam
- Kwan Fam
- Kwok Fam
- Kyongmin Fam
- Labella Fam
- Lacsamana Fam
- Lacy Fam
- Ladd Fam
- Laemmlein Fam
- Lafalce Fam
- Laffoon Fam
- Laham Fam
- Lahey Fam
- Lahya Fam
- Lain Fam
- Laipply Fam
- Lajoya Fam
- Lake Fam
- Lal Fam
- Lally Fam
- Laloudakis Fam
- Lam Fam
- Lamadrid Fam
- Lambert Fam
- Lamkin Fam
- Lamont Fam
- Lamppu Fam
- Lan Fam
- Lana Fam
- Lancaster Fam
- Lance Fam
- Lane Fam
- Lang Fam
- Langland Fam
- Lansberry Fam
- Lansdon Fam
- Lara Fam
- Laraine Fam
- Larkin Fam
- Larocca Fam
- Larry Fam
- Larson Fam
- Lasalle Fam
- Lascoe Fam
- Lasseter Fam
- Latawiec Fam
- Lateresa Fam
- Lau Fam
- Laughlin Fam
- Laura Fam
- Laurence Fam
- Laurie Fam
- Lauringson Fam