BACKGROUND: While cardiologists are very active in the prevention of cardiovascular disease, their attitudes towards patients' smoking habits are poorly studied. AIMS: In a nationwide French survey, we assessed cardiologists' levels of knowledge and management of smoking cessation. METHODS: We sent out a questionnaire to a random sample of 1000 cardiologists. RESULTS: A total of 371cardiologists agreed to participate in the survey; 8.1% were current smokers and 32.4% were past smokers. Most classified smoking cessation as the top priority for patients with coronary artery disease (56.5%) and peripheral arterial disease (88.5%). Cardiologists routinely assessed active and passive smoking in 96.2% and 43% of their patients, respectively. Only 29.2% considered themselves well informed about smoking-cessation management. While 39.9% declared they knew about the minimal counselling 7.3% described it correctly. Only 17.5% used the Fagerström questionnaire. Smoking cessation was advised systematically by 85% but only 5.4% of cardiologists followed up their patients specifically on this issue. They referred smokers to either their general practitioner or to smoking-cessation centres and/or quitlines in 16.0% and 67.0% of cases, respectively; 31.8% never referred their patients to a smoking-cessation centre, and 25% declared being unaware of any such centre in their area. Cardiologists who smoked were less likely to ask about patients' smoking status than non-smokers (90% vs 98.2%, p=0.039). Similarly, they were more passive in offering smoking-cessation counselling (23% vs 7%, p=0.011), and referred less frequently their patients to a smoking-cessation centre (37% vs 64%, p=0.028). CONCLUSION: French cardiologists are rarely involved in the management of smoking cessation. Their own smoking status influences their attitudes towards the management of smoking cessation.