- Labaudt, Lucien (See: Rivera, Diego)
- Laberigue, Tony (See: Fire Dept. Chiefs. Galli, A.J.)
- Lachman, Augustus "Gus" (See: Robinson, Elmer E. 1948)
- Lackmann, John (See: Phelan, James)
- Lachmann, Wesley (See: Robinson, Elmer E. 1951)
- Ladenheim, Meyer (See: Robinson, Elmer E. 1952)
- La Grange, O.H. (See: Line Drawings. Biog.)
- La Guardia, Fiorella (See: Biog. Visitors & Fairs. G.G.I.E. People)
- Lagan, Grace
- Lalanne, Jack
- Lambert, Mme L.G.
- Lambert, William (See: Police. Policemen)
- Lancaster, Burt (See: Biog. Theater)
- Lance, Goodman H. (See: Police. Policemen)
- Landis, Philip K. (See: Robinson, Elmer E. 1953)
- Landor, Walter (See: Magnin, Cyril)
- Landrum, Eugene M. (See: Robinson, Elmer E. 1951)
- Lane, (Lt.) (See: Police. Policemen)
- Lane, Laurence Wm.
- Lang, W.O.
- Langdon, Harry (See: Biog. Theater)
- Langdon, William H. (See also: Mooney, Thomas J. [Courtroom])
- Langenburger, G.D.
- Langendorff, Mme (See: Cabinet Cards)
- Langenour, Hazel
- Langley, George (See: Police. Policemen)
- Langtry, Lily (See also: Cabinet Cards)
- Lansburgh, Albert G.
- Lansburgh, Laz S. (See: Robinson, Elmer E. 1952)
- Lantis, Zoe Dell
- Lanza, Mario (See: Biog. Theater)
- Lapham, Roger (See also: Mayors)
- La Place, Evelyn (See: Robinson, Elmer E. 1948)
- Laredo, Jaime (See: Biog. Theater)
- Large Family
- Larkin, Thomas Oliver
- La Rocque, Rod (See: Biog. Theater)
- Larsen, Carl G.
- Larson, Stanley (See: Lapham, Roger 1944 Feb.-Mar.)
- Lask, George E.
- Lasky, Jesse
- Lasky, Philip G. (See: Robinson, Elmer E. 1948)
- Latham, Milton S. (See: Governors of California 1849-1860 & Line Drawings. Biog.)
- Lathrop, Chas. N.
- Latulipe, Francis X. (See: Police. Policemen)
- Lauferty, Lillian
- Laughlin, Gail
- Laughton, Charles (See: Biog. Theater)
- Laurie, Annie (See: Bonfils, Winifred)
- Laver, Augustus (See: S.F. Photographers. Taber)
- Lawler, May
- Lawlor, Frank
- Lawlor, John G.
- Lawlor, William P.
- Lawrence, C.W.
- Lawson, Andrew
- Lawson, Wm. R.
- Layman, Mary H.
- Layne, Arthur (See: Police. Policemen)
- Lazarus, Leland J.
- Lazarus, Silvain J.
- Leach, Abe P. (See: Rossi, Angelo Jan.-July 1939)
- Leach, Charles W.
- Leahy, Arthur G. (See: Police. Policemen)
- Leake, Russell
- Leake, Tillie
- Leale, John (Capt.)
- Leary, Jim
- Leary, Timothy (See: Police. Policemen)
- Leavell, Stanley R.
- Leavenworth, Thaddeus M. (See also: Alcaldes. American)
- Leavey, Charles M.
- Leavy, Francesca
- Leavy, Leonard S.
- Leavy, Mrs. Moore
- Le ?( R ) Bosquet, Edna (See: Cabinet Cards)
- Le Conte, John
- Le Conte, Joseph
- Lederer, Francis (See: Biog. Theater)
- Lee, C.Y.
- Lee, Edwin A. (See: Nourse, Joseph P.)
- Lee, Fitzhugh (See: Fairs. P.P.I.E. People)
- Lee, Michael (See: Fire Dept. Captains)
- Lees, I.W. (See: Cabinet Cards)
- Leese, Jacob Primer
- Leese, Rosalia
- Le Gallienne, Eva (See: Biog. Theater)
- Lehmann, Lotte (See: Biog. Theater)
- Leidesdorff, William Alex
- Leimert, Edward (See: Rolph, James, Jr. 1929)
- Leland, Thomas B.W. (See also: Choynski, Milton & Police. Policemen. Woods, Ed)
- Leman, Mary Ann (Mrs. Walter Moore Leman)
- Leman, Walter Moore (See: Cabinet Cards)
- Lemmon, Dal M. (See: Denman, William)
- Lennon, Thomas J.
- Lent, William M. (See: Line Drawings. Biog.)
- Leonard, Paul J. (See: Robinson, Elmer E. 1954)
- Leonetti, Walter A. (See: Fire Dept. Chiefs. Walsh, Ed)
- Leonhardt, Walter (See: Police. Policemen)
- Leo Primrose & Co.(See: Biog. Theater)
- Lerios, Andy (See: Christopher, George 1957)
- Lerner, Leopold (See: Robinson, Elmer E. 1951)
- Leschke, Hans
- Letchfield, F.T.
- Levey, Edgar C.
- Levin, Gerald (Judge) (See: Ehrlich, Jake & Lurie, Louis)
- Levison, Jacob B.
- Levoe, Marjorie (See: Biog. Theater)
- Levy (See: Biog. Theater) Levy, Edgar M.
- Levy, Edwin F.
- Levy, Harold (See: Police. Policemen)
- Lewis, Ada (See: Cabinet Cards)
- Lewis, David E. (See: Swig, Benjamin H.)
- Lewis, James (See: Cabinet Cards & See also: Cabinet Cards. Cheatham, Kitty)
- Lewis, Lanis (See: Police. Policemen)
- Lewis, Marvin E.
- Lewis, Oscar
- Lewis, Ted (See: Biog. Theater)
- Lewy, Ted
- Liebes, Dorothy (See: Beebe, Lucius)
- Lick, James (See: Line Drawings. Biog.)
- Ligeti, Desire (See: Biog. Theater)
- Liggett, Hunter (Gen.)
- Lilienthal, P.N. (See: Robinson, Elmer E. 1955)
- Lilienthal, Philip
- Lilienthal, Robert (See: Christopher, George 1956)
- Lillevand, D.M. (See: Robinson, Elmer E. 1949)
- Lilly, Claire
- Lim, Albert
- Lind, Letty (See: Cabinet Cards)
- Lindberg, Sandra
- Lindbergh, Charles A. (See: Biog. Visitors)
- Lindecker, Henry A. (See: Fire Dept. Chiefs. [Assistant])
- Lindsay, George E.
- Linebarger, Paul
- Linnard, Le Roy
- Linne, Hans S.
- Lipman, Edward Crossley (See: Robinson, Elmer E. 1952)
- Lipman, Robert L.
- Lipman, Samuel (See: Biog. Theater)
- Lister, Henry B.
- Litta, Louise (See: Cabinet Cards)
- Little, Ann (See: Biog. Theater)
- Little, John R. (See also: Lurie, Louis 1960-64)
- “Little Pete”
- “Little Tuesday” (See: Cabinet Cards)
- Litton, Miss (See: Cabinet Cards)
- Livermore, George
- Livingston, Carl
- Livingston, Eric (See: Christopher, George 1958)
- Lloyd, Alice (See: Biog. Theater)
- Lloyd, Francis E.
- Lloyd, N.H. (See: Cabinet Cards)
- Lloyd, Peter J. (Col.)
- Lochead, James K.
- Lohr, Alice
- London, Bess (Betsy)
- London, Bessie
- London, Dan
- London, George (See: Biog. Theater)
- London, Helen
- London, Jack
- London, Joan
- “Long Duck”
- Lopez, Harold (See: Magnin, Cyril & Shelley, John 1954-1957)
- Lotgen, Adolf (See: Biog. Theater)
- Louie, Earl Sun (See: Christopher, George pre 1955)
- Love, Mabel (See: Cabinet Cards)
- Low, Charles P.
- Low, Frederick F. (See: Governors of California 1860-1875)
- Low, Wylie (See: Fire Dept. Firemen)
- Lowell, Helen (See: Cabinet Cards)
- Lowenthal, Morris (See: Klussman, Mrs. Hans)
- Lowrey, Alan J.
- Luce, A. (See: Cabinet Cards)
- Lucks, Roy G.
- Ludolph, H.H. (See: Police. Policemen)
- Ludolph, W.
- Lull, George
- Lummis, Charles Fletcher
- Lund, John (See: Biog. Theater)
- Lundberg, Oliver (See: Police. Policemen)
- Lundegard, Laura
- Lundgen, Bill (See: Biog. Theater)
- Lurie, Louis
- Lut (?), Zabeide (See: Biog. Theater)
- Lutgens, Harry (See: Merriam, Frank)
- Lutkey, William
- Lux, Charles (See: Line Drawings. Biog.)
- Lynch, Cornelius (See: Robinson, Elmer E. 1950)
- Lynch, Joe
- Lynch, Thomas
- Lynch, Vincent P. (See: Police. Policemen)
- Lyons, Ernest Gabriel
- Lyric Opera of Chicago (See: Biog. Theater)
- Lytell, Bert (See: Biog. Theater)
- Lytton, Genevieve (See: Cabinet Cards)