| Alexander Kreisel | Alexander Krejn | Alexander Krethlow |
| Alexander Kreuter | Alexander Kribic | Alexander Krichel |
| Alexander Krieger | Alexander Krippes | Alexander Krischan |
| Alexander Krist | Alexander Kristan | Alexander Kristoff |
| Alexander Kritikos | Alexander Kriwoschein | Alexander Krohn |
| Alexander Krone | Alexander Kronrod | Alexander Krupski |
| Alexander Kruschelnizki | Alexander Krushelnitskiy | Alexander Krykun |
| Alexander Krylov | Alexander Krysanov | Alexander Kryssanow |
| Alexander Ksenofontow | Alexander Kubelka | Alexander Kucera |
| Alexander Kucharski | Alexander Kucheryavenko | Alexander Kuchinka |
| Alexander Kudrjawzew | Alexander Kudryavtsev | Alexander Kuhn |
| Alexander Kuhnert | Alexander Kukelka | Alexander Kulagin |
| Alexander Kulakov | Alexander Kulakow | Alexander Kulikow |
| Alexander Kulisiewicz | Alexander Kulitz | Alexander Kulman |
| Alexander Kulpok | Alexander Kultschi | Alexander Kumptner |
| Alexander Kunert | Alexander Kunja | Alexander Kuntze |
| Alexander Kunz | Alexander Kunz (Turner) | Alexander Kunze |
| Alexander Kuoni | Alexander Kupprion | Alexander Kuprin |
| Alexander Kurakin | Alexander Kurlowitsch | Alexander Kurosch |
| Alexander Kurssinski | Alexander Kurynow | Alexander Kurzbach |
| Alexander Kuschmann | Alexander Kusin | Alexander Kusjakin |
| Alexander Kusminski | Alexander Kusmitsch Wustin | Alexander Kusnezow |
| Alexander Kusnezow (Eishockeyspieler) | Alexander Kusowkow | Alexander Kutepov |
| Alexander Kutepow | Alexander Kutizki | Alexander Kutschera |
| Alexander Kutscherjawenko | Alexander Kutschin | Alexander Kutschma |
| Alexander Kutusow | Alexander Kutuzov | Alexander Kuzin |
| Alexander Kuzminski | Alexander Kuznetschow | Alexander Kuznetsov |
| Alexander Kwadwo Osei | Alexander Kwasnikow | Alexander Kwitaschwili |
| Alexander L. Efros | Alexander L. Gaeta | Alexander L. George |
| Alexander L. Kielland | Alexander L. Kielland (Bohrinsel) | Alexander L. Rosenberg |
| Alexander L. Sheff | Alexander L. Trachtenberg | Alexander Laas |
| Alexander Labak | Alexander Labsin | Alexander Lacey |
| Alexander Lachmann | Alexander Ladig | Alexander Laesicke |
| Alexander Lagunow | Alexander Lahl | Alexander Lahoda |
| Alexander Laing | Alexander Lake | Alexander Lake (Alaska) |
| Alexander Lake (Alberta) | Alexander Lake (Connecticut) | Alexander Lake (Douglas County, Wisconsin) |
| Alexander Lake (Lincoln County, Wisconsin) | Alexander Lake (Michigan) | Alexander Lake (Nevada) |
| Alexander Lake (Summit County, Utah) | Alexander Lakner | Alexander Laktionow |
| Alexander Lamb Cullen | Alexander Lambert | Alexander Lambsdorff |
| Alexander Landenburg | Alexander Landesberg | Alexander Landgraf |
| Alexander Laner | Alexander Lang | Alexander Lange |
| Alexander Lange Kielland | Alexander Langer | Alexander Langer Preis |
| Alexander Langer-Preis | Alexander Langeron | Alexander Langguth |
| Alexander Langlitz | Alexander Langsdorff | Alexander Lapin |
| Alexander Lapin (Begriffsklärung) | Alexander Lapostolle | Alexander Larsson |
| Alexander Lasarew | Alexander Lasarewitsch Abramow-Mirow | Alexander Lasarewitsch Lokschin |
| Alexander Lasarewitsch Schowtis | Alexander Lasch | Alexander Lasow |
| Alexander Lasuschin | Alexander Lasutkin | Alexander Latotzky |
| Alexander Laukart | Alexander Lauterwasser | Alexander Laweikin |
| Alexander Lawejkin | Alexander Lawinski | Alexander Lawrence George |
| Alexander Lawrence Henry | Alexander Lawrentjewitsch Kolpakow | Alexander Lawrentjewitsch Witberg |
| Alexander Lawrie | Alexander Lazov | Alexander Lazow |
| Alexander Lazushin | Alexander László | Alexander Längle |
| Alexander Löbbecke | Alexander Löbe | Alexander Löffler |
| Alexander Löffler (Gießer) | Alexander Löffler (Schauspieler) | Alexander Löffler (Theologe) |
| Alexander Löfken | Alexander Löhr | Alexander Lösche |
| Alexander Löw | Alexander Löwe | Alexander Löwe (Chemiker) |
| Alexander Lüdeke | Alexander Lüderitz | Alexander Lüderitz (Rechtswissenschaftler) |
| Alexander Lüderitz (Schwimmer) | Alexander Lüders | Alexander Lüneburg |
| Alexander Lüneburg († 1625) | Alexander Lüneburg (Politiker, 1240) | Alexander Lüneburg (Politiker, 1560) |
| Alexander Lebed | Alexander Lebedev | Alexander Lebedew |
| Alexander Lebedew (Leichtathlet) | Alexander Lebedinski | Alexander Lebenstein |
| Alexander Lebsjak | Alexander Lebzelter | Alexander Lee Spence |
| Alexander Legkov | Alexander Legkow | Alexander Legler |
| Alexander Lehmann | Alexander Lehmann (Forschungsreisender) | Alexander Lehmann (Grafiker) |
| Alexander Leibkind | Alexander Leinsle | Alexander Leipold |
| Alexander Leipunski | Alexander Leist | Alexander Leitch, Baron Leitch |
| Alexander Lemanski | Alexander Lenard | Alexander Lenderman |
| Alexander Lenew | Alexander Lengerke | Alexander Leo Soldenhoff |
| Alexander Leonel Corro | Alexander Leonidovich Dvorkin | Alexander Leonidowitsch Andrijewski |
| Alexander Leonidowitsch Assejew | Alexander Leonidowitsch Dworkin | Alexander Leonidowitsch Ginzburg |
| Alexander Leonidowitsch Kaidanowski | Alexander Leonidowitsch Koltschinski | Alexander Leonidowitsch Lessun |
| Alexander Leonidowitsch Mamut | Alexander Leonidowitsch Tschaiko | Alexander Leonidowitsch Tschischewski |
| Alexander Leonow | Alexander Leonowitsch Kemurdschian | Alexander Leonowitsch Rotinjan |
| Alexander Leopold von Österreich | Alexander Leopold von Erichsen | Alexander Leopoldowitsch Chwylja |
| Alexander Lerner | Alexander Lernet-Holenia | Alexander Leslie |
| Alexander Leslie, 1. Earl of Leven | Alexander Leslie, 7. Earl of Ross | Alexander Leslie-Melville, 16. Earl of Leven |
| Alexander Lesnoi | Alexander Lessun | Alexander Leutner |
| Alexander Leutner & Co. | Alexander Levin von Bennigsen | Alexander Levitzki |
| Alexander Lewin | Alexander Lewin (Unternehmer) | Alexander Lhotzky |
| Alexander Liberman | Alexander Libermann | Alexander Libman |
| Alexander Licholetow | Alexander Licht | Alexander Lichtenstein |
| Alexander Liebreich | Alexander Liegl | Alexander Lieven |
| Alexander Lieven (Begriffsklärung) | Alexander Liezen Mayer | Alexander Liezen-Mayer |
| Alexander Lifschütz | Alexander Liholiho | Alexander Lilow |
| Alexander Lincke | Alexander Lincoln | Alexander Lind |
| Alexander Lindh | Alexander Lindsay | Alexander Lindsay, 6. Earl of Balcarres |
| Alexander Linhardt | Alexander Linnemann | Alexander Lintl |
| Alexander Lion | Alexander Lionel Boraine | Alexander Lipin |
| Alexander Lippisch | Alexander Lips | Alexander Lisjukow |
| Alexander Lisogub | Alexander Litowtschenko | Alexander Litschev |
| Alexander Litvinenko | Alexander Litwak | Alexander Litwinenko |
| Alexander Litwinow | Alexander Litwinowski | Alexander Livingston |
| Alexander Livingstone | Alexander Livingstone (Politiker) | Alexander Liwschiz |
| Alexander Ljapunoff | Alexander Ljapunow | Alexander Lloyd, 2. Baron Lloyd |
| Alexander Lobanow | Alexander Lobkow | Alexander Lobnig |
| Alexander Lochmatter | Alexander Lodewijk Schoenmaeckers | Alexander Lodygin |
| Alexander Loganowski | Alexander Logie du Toit | Alexander Loginov |
| Alexander Loginow | Alexander Logunov | Alexander Logunow |
| Alexander Lohmann | Alexander Lohner | Alexander Loichinger |
