Introduction: The literacy of undergraduate, graduate, and integrated studies students concerning the health aspects of cigarettes and electronic cigarettes represents an important area of research, particularly in light of the increasing presence and availability of these products among youth. Objective: The objective of this study was to examine the knowledge, attitudes, and habits of undergraduate/graduate and integrated studies students regarding the consumption of cigarettes and electronic cigarettes. Materials and Methods: The study involved 249 undergraduate, graduate, and integrated study students from the Republic of Croatia. Students' knowledge, attitudes, and habits regarding the consumption of cigarettes and electronic cigarettes were examined using an online survey questionnaire. To test the hypotheses, an independent samples t-test was used, and the data were processed using Microsoft Excel and the JASP statistical software. Results: A total of 52.6% of respondents reported having consumed tobacco in the past 30 days, while 37.8% of respondents had used e-cigarettes in the past 12 months. Tobacco was first consumed at the age of 16 by 23.7% of respondents. The results indicate that students possess limited or often inaccurate knowledge regarding the health risks associated with these substances, which may increase their health risk. Conclusion: The study on the literacy of undergraduate, graduate, and integrated studies students regarding the health aspects of cigarette and electronic cigarette consumption highlights the need for improvement.