- Laing, Eleanor
- Laird, Lesley
- Lake, Ben
- Lamb, Norman
- Lammy, David
- Lamont, John
- Lancaster, Mark
- Largan, Robert
- Latham, Pauline
- Lavery, Ian
- Law, Chris
- Leadsom, Andrea
- Lee, Karen
- Lee, Phillip
- Lefroy, Jeremy
- Leigh, Edward
- Leslie, Charlotte
- Leslie, Christopher
- Letwin, Oliver
- Levy, Ian
- Lewell-Buck, Emma
- Lewer, Andrew
- Lewis, Brandon
- Lewis, Clive
- Lewis, Ivan
- Lewis, Julian
- Liddell-Grainger, Ian
- Lidington, David
- Lilley, Peter
- Linden, David
- Little Pengelly, Emma
- Lloyd, Stephen
- Lloyd, Tony
- Lockhart, Carla
- Loder, Chris
- Logan, Mark
- Long Bailey, Rebecca
- Longhi, Marco
- Lopresti, Jack
- Lord, Jonathan
- Loughton, Tim
- Lucas, Caroline
- Lucas, Ian
- Lumley, Karen
- Lynch, Holly