| Arthur Klein | Arthur Kleine | Arthur Kleiner |
| Arthur Kleinschmidt | Arthur Klemt | Arthur Klemt (Erfinder, 1913) |
| Arthur Klemt (Erfinder, 1951) | Arthur Klemt (Schauspieler) | Arthur Klinke |
| Arthur Klotzbach | Arthur Kluckers | Arthur Knautz |
| Arthur Knick | Arthur Knoebel | Arthur Knyvet Wilson, 3. Baronet |
| Arthur Kobler | Arthur Kobus | Arthur Kochmann |
| Arthur Koepchen | Arthur Koepcke | Arthur Koestler |
| Arthur Koetz | Arthur Kohlenberg | Arthur Kollmann |
| Arthur Kolnik | Arthur Konnerth | Arthur Konnerth (Politiker) |
| Arthur Kool | Arthur Kopp | Arthur Kopp (Bibliothekar) |
| Arthur Kopp (Politiker) | Arthur Koppel | Arthur Korn |
| Arthur Korn (Architekt) | Arthur Korn (Physiker) | Arthur Kornberg |
| Arthur Kornhauser | Arthur Krams | Arthur Kraußneck |
| Arthur Kraus | Arthur Krause | Arthur Krause (Lehrer) |
| Arthur Krause (Naturforscher) | Arthur Krüger | Arthur Krebs |
| Arthur Kreienbrinck | Arthur Kreuzer | Arthur Krim |
| Arthur Kronfeld | Arthur Kronthal | Arthur Krull |
| Arthur Krupp | Arthur Kuggeleyn | Arthur Kulkov |
| Arthur Kulling | Arthur Kullmer | Arthur Kunath |
| Arthur Kunstmann | Arthur Kunz | Arthur Kurt Paul Weisbrodt |
| Arthur Kurtz | Arthur Kusterer | Arthur Kutscher |
| Arthur L. Besse | Arthur L. Butler | Arthur L. Conger |
| Arthur L. Day | Arthur L. Day Medal | Arthur L. Day Prize |
| Arthur L. Day Prize and Lectureship | Arthur L. Hall | Arthur L. Horwich |
| Arthur L. Jones | Arthur L. Kimbro | Arthur L. Mann Memorial Library |
| Arthur L. Miller | Arthur L. Reed | Arthur L. Ruoff |
| Arthur L. Samuel | Arthur L. Schawlow | Arthur L. Schawlow Award |
| Arthur L. Schawlow Prize in Laser Science | Arthur Laban Bates | Arthur Ladwig |
| Arthur Laffer | Arthur Laing | Arthur Laing Bridge |
| Arthur Lake | Arthur Lake (Begriffsklärung) | Arthur Lakes |
| Arthur Lally | Arthur Lamb | Arthur Lambert |
| Arthur Lamothe | Arthur Lanc | Arthur Lanci |
| Arthur Landsberger | Arthur Landsborough Thomson | Arthur Landwehr |
| Arthur Lane | Arthur Lange | Arthur Lange (Bildhauer) |
| Arthur Lange (Komponist) | Arthur Lange (Parteifunktionär) | Arthur Langen |
| Arthur Langerman | Arthur Langerman Foundation | Arthur Langhammer |
| Arthur Langtry Bell | Arthur Lapierre | Arthur Lappin |
| Arthur Lapworth | Arthur Larsen | Arthur Lassally |
| Arthur Latham Conger | Arthur Lauber | Arthur Laumann |
| Arthur Laurendeau | Arthur Laurents | Arthur Lavis |
| Arthur Lawley, 6. Baron Wenlock | Arthur Lawson | Arthur Lawson Johnston, 3. Baron Luke |
| Arthur Lawson-Johnston, 3. Baron Luke | Arthur Lämmlein | Arthur Läwen |
| Arthur Långfors | Arthur Lévy | Arthur Lévy (Historiker) |
| Arthur Löffler | Arthur Löwenstamm | Arthur Lüdicke |
| Arthur Lüttringhaus | Arthur Lüttringhaus senior | Arthur Lützner |
| Arthur Leclerc | Arthur Leclerc (Rennfahrer) | Arthur Lee |
| Arthur Lee (Musiker) | Arthur Lee (Politiker) | Arthur Lee Maye |
| Arthur Lee, 1. Viscount Lee of Fareham | Arthur Legat | Arthur Legrand |
| Arthur Lehmann | Arthur Lehmann (Politiker, 1884) | Arthur Lehmann (Politiker, 1885) |
| Arthur Lehmann (Politiker, 1886) | Arthur Lehning | Arthur Leighton |
| Arthur Leipzig | Arthur Leist | Arthur Lemisch |
| Arthur Lenhoff | Arthur Lenne | Arthur Lennox Butler |
| Arthur Leonard Schawlow | Arthur Leppmann | Arthur Leslie Benjamin |
| Arthur Leslie Wheeler | Arthur Letele | Arthur Letondal |
| Arthur Levasseur | Arthur Levinson | Arthur Levitt |
| Arthur Levitt senior | Arthur Levy | Arthur Levy (Rabbiner) |
| Arthur Levysohn | Arthur Lewin-Funcke | Arthur Lewis |
| Arthur Lewis (Begriffsklärung) | Arthur Lewis Hall | Arthur Lewis Miller |
| Arthur Lewis Sifton | Arthur Leycester Scott Coltman | Arthur Liebehenschel |
| Arthur Lieberasch | Arthur Liebert | Arthur Liener |
| Arthur Lieutenant | Arthur Lilienthal | Arthur Lincke |
| Arthur Lincke (Fahrzeughersteller) | Arthur Linder | Arthur Lindfors |
| Arthur Lindo Patterson | Arthur Lindsay Sadler | Arthur Link |
| Arthur Linka | Arthur Linker | Arthur Linton |
| Arthur Lipsch | Arthur Lipsett | Arthur Lisowsky |
| Arthur Livermore | Arthur Llewellyn Basham | Arthur Lloyd Eshbach |
| Arthur Lloyd Thomas | Arthur Loepfe | Arthur Loesser |
| Arthur Loft | Arthur Lohse | Arthur Loiseau |
| Arthur Lonergan | Arthur Longo | Arthur Longsjo |
| Arthur Loosli | Arthur Looss | Arthur Lossow |
| Arthur Louis Day | Arthur Louis Hugo Rudolph | Arthur Louis Ruoff |
| Arthur Lourié | Arthur Lourie | Arthur Lovejoy |
| Arthur Loveridge | Arthur Lowe | Arthur Lubin |
| Arthur Luck | Arthur Ludwich | Arthur Luiz Piza |
| Arthur Luther | Arthur Lutteroth | Arthur Lutze |
| Arthur Luysterman | Arthur Lydiard | Arthur Lyman |
| Arthur Lyon | Arthur Lyska | Arthur M. Beaupre |
| Arthur M. Cave | Arthur M. Free | Arthur M. Hind |
| Arthur M. Huddell (Schiff) | Arthur M. Hyde | Arthur M. Jacobs |
| Arthur M. Jaffe | Arthur M. Okun | Arthur M. Poskanzer |
| Arthur M. Sackler | Arthur M. Sackler Collections | Arthur M. Sackler Gallery |
| Arthur M. Schlesinger | Arthur M. Schlesinger Jr. Award | Arthur M. Schlesinger senior |
| Arthur M. Schlesinger Sr. | Arthur M. Schlesinger, Jr. | Arthur M. Schlesinger, Sr. |
| Arthur M. Tyndall | Arthur M. Werau | Arthur M. Wolfe |
| Arthur MacArthur | Arthur MacArthur senior | Arthur MacArthur, Sr. |
| Arthur MacEvoy | Arthur Machado | Arthur Machen |
| Arthur MacMahon | Arthur MacManus | Arthur Mafokate |
| Arthur Magugu | Arthur Mahler | Arthur Mahncke |
| Arthur Maillefer | Arthur Maimane | Arthur Mainzer |
| Arthur Mainzer-Reynolds | Arthur Malet | Arthur Maletke |
| Arthur Malkowsky | Arthur Mallwitz | Arthur Malmgren |
| Arthur Malouin | Arthur Mann | Arthur Mannering Tyndall |
| Arthur Mannsbarth | Arthur Mapp | Arthur March |
| Arthur Marder | Arthur Maret | Arthur Margelidon |
| Arthur Maria Rabenalt | Arthur Mariano | Arthur Mariano (Turner) |
| Arthur Marohn | Arthur Marschall von Bieberstein | Arthur Marshall |
| Arthur Marshall (Ingenieur) | Arthur Marshall (Komponist) | Arthur Martens |
| Arthur Martinez | Arthur Marx | Arthur Masse |
| Arthur Masson | Arthur Mastick Hyde | Arthur Masuaku |
| Arthur Matlik | Arthur Matthias Beaupre | Arthur Matthias Jacobs |
