| Prof | Luiza | Guilherme | Heart Institute, Clinical Hospital, University of Sao Paulo | Cardiovascular Researches | Brazil | Best Researcher Award | |
| Mr. | Lívio | Pereira de Macêdo | Hospital da Restauração | Cardiovascular Researches | Brazil | Best Researcher Award | pencis.com |
| Mr | liu | | Hebei Petrochina Central Hospital | Cardiac Rehabilitation | China | Best Researcher Award | |
| Prof. | Litao | Guo | The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China | Cardiac Rehabilitation | China | Best Researcher Award | pencis.com |
| Dr. | Lingyan | Chen | Wenzhou Medical university | Recent Advancements | China | Best Researcher Award | pencis.com |
| Assoc. Prof. Dr. | Ling | He | The Second Affiliated Hospital of Nanchang University | Cardiovascular Researches | China | Best Research Article Award | pencis.com |
| Dr. | Ling | Chen | Fujian union hospital | Cardiac Surgery | China | Best Researcher Award | pencis.com |
| Ms | Lilly | Su | Penn State College of Medicine | Cardiology | United States | Best Researcher Award | |
| Mr | Lichao | Zhang | Shanxi University | Cardiovascular Pharmacology | China | Best Researcher Award | |
| Prof | Leo | Otterbein | Beth Israel Deaconess Medical Center | Cardiovascular Researches | United States | Excellence in Research | |
| Mr | Lemesa | Dano | Wollega University | Cardiology | Ethiopia | Best Researcher Award | |
| Mr | Lei | Hou | National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention | Cardiology | China | Best Researcher Award | |
| Dr | Laurie | Soulat Dufour | Sorbonne University | Cardiac Imaging | France | Best Researcher Award | |
| Dr | Lakshmanan | Loganathan | Micro Health Laboratories | Cardiovascular Pharmacology | India | Best Researcher Award | pencis.com |
| Assist Prof Dr | Laila | Jaragh-Alhadad | Kuwait University | Others | Kuwait | Best Researcher Award | |
| Dr | Kyle | Lang | Northwestern Memorial Hospital | Case Reports | United States | Best Research Award | |
| Dr | Kuniaki | Takahashi | Amsterdam University Medical Center, University of Amsterdam | Interventional Cardiology | Japan | Best Research Award | |
| Kun | Liu | Institute for Agri-Food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences | Pacemaker | India | Best Researcher Award | pencis.com |
| Dr | Konstantina | Spetsotaki | Department of Thoracic surgery, University Hospital Zurich, Switzerland | Others | Switzerland | Best Researcher Award | |
| Mr | Kindie | Mekuria | Woldia University | Others | Ethiopia | Excellence Award (Any Scientific field) | |