- L Y Spear AS 36
- La Moure County LST 1194
- La Salle AGF 3
- La Salle AP 102
- La Salle LPD 3
- Laboon DDG 58
- Lake Champlain CG 57
- Lake Champlain CV 39
- Lake Champlain CVS 39
- Lake Erie CG 70
- Lander APA 178
- Lang DE 1060
- Lang FF 1060
- Lanier APA 125
- Lansing DER 388
- Lassen DDG 82
- Latimer APA 152
- Lawrence DDG 4
- LCI 542
- Leahy CG 16
- Leahy DLG 16
- Leary DDR 879
- Leftwich DD 984
- Lejeune AP 74
- Lenawee APA 195
- Leonard Mason DD 852
- Lester DE 1022
- Lewis Hancock DD 675
- Lewis Puller FFG 23
- Lexington AVT 16
- Lexington CV 16
- Lexington CVA 16
- Lexington CVT 16
- Leyte CV 32
- Leyte CVA 32
- Leyte CVS 32
- Leyte Gulf CG 55
- Lincoln County LST 898
- Lindenwald LSD 6
- Little Rock CL 92
- Little Rock CLG 4
- Lloyd Thomas DD 764
- Lloyd Thomas DDE 764
- Lockwood DE 1064
- Lockwood FF 1064
- Lofberg DD 759
- Long Beach CGN 9
- Los Alamos AFDB 7
- Los Angeles CA 135
- Los Angeles SSN 688
- Louisville CA 28
- Lowe DER 325
- Lowry DD 770
- LSM Division 21
- LST 471
- LST 491
- LST 511
- LST 530
- LST 925
- LST Squadron Four
- Luce DDG 38
- Ludlow DD 438
- Lunga Point CVE 94
- Lycoming APA 155
- Lyman K Swenson DD 729
- Lynde McCormick DDG 8

