Biographies
- Hörschelmann, Christfried Otto
- Huber, Edward
- Huber, Johann Samuel
- Huppenbauer, Johannes
- Ibáñez Holzmann, Óscar Manuel
- Ihly, Joseph
- Ihly, Nikodemus
- Inser, Otto August
- Isaak, Chris
- Ivan Prediger
- Ivanov, Anton
- Jacobs, Peter
- Jäger, Christian Friedrich
- Jakubovsky, Joseph
- Janet, Johannes
- Jauch, Aloysius Xaverius
- Johansen, Heinrich Eduard
- John Elsenbach
- Jordan, Gottlieb Friedrich
- Jürgens, Ralph Waldo
- Jürgenson, Wilhelm Julius Anton
- Käberlein, Anton
- Kähm, Georg
- Kahn, Arved
- Kahn, Eugen Friedrich Benjamin
- Kahn, Ferdinand Helanus
- Kallis, Eric
- Kalluha, Theodor
- Kaminsky, Johann
- Kappes, Aloysius
- Karlin, Mary Fidelis
- Kaufmann, David
- Kausler, Emmeram
- Kayser, Georg Gottlieb
- Kechter, Matthew Joseph
- Keller, Friedrich "Heinrich" Wilhelm
- Keller, Friedrich Heinrich "Wilhelm"
- Keller, Gotthilf Heinrich
- Keller, Isaak Theophil
- Keller, Konrad
- Keller, Richard
- Kessler, Joseph Aloysius
- Klaveno, Mariana
- Kleindienst, Alfred Rudolf
- Kling, Alexander
- Kloberdanz, Timothy J. & Rosalinda (Appelhans)
- Kluck, Arthur Julius
- Kniss, Richard L. "Dick"
- Köberlein, Johannes
- Koch, Fred C.
- Koch, Gottlob
- Koch, Johannes
- Kohlreiff, Adam Christian Paul
- Kohlreiff, Joseph Amadeus
- Konzewitsch, Thomas
- Köpke, Heinrich
- Korte, Berthold F.
- Kosciol, Johannes
- Kossmann, Karl Friedrich Wilhelm von
- Kotwich, Romuald
- Kraft, Balthasar
- Kraft, Nikolaus
- Kranevitter, Matías
- Kraus, Richard
- Krieger, Johannes
- Kruschinsky, Joseph
- Kufeld, Johann Solomon
- Kuhlberg, Paul Friedrich von
- Kühn Hergenreder, Aurelio José
- Langlitz, Harold N.
- Lankau, Woldemar
- Lauer-Trujillo, Robin
- Legler, Jacob
- Lehman, Richard Henry
- Lehmkul, Eduard
- Leiker, Peter
- Lenin, Vladimir
- Lesser, Adolph
- Lesta, Adalbert Gustav Michael
- Leyst, Hans August
- Lezius, Hermann Arnold
- Liebham, Georg
- Limmer, Karl August
- Lindblatt, Johann Christian
- Lindsay, Mela Meisner
- Lioba "Bo-Peep" Karlin
- Litfass, Bernhard Wilhelm
- Löbsack, Heinrich
- Löffler, Alois
- Loor, Karl
- Lopazinsky, Johann Thomas
- Loran, Joseph
- Loran, Raphael
- Lorentzen, Johann Jakob
- Lossinsky, Johannes
- Löwenbrück, Franz
- Ludwist, Antony
- Luft, Cara
- Luft, Donald (Athlete)
- Luft, Donald (Executive)