This study was conducted to examine the moderating role of career decision regret in the relationship between university students' visions about the future and proactive career behaviors.The study consisted of a total of 312 university students, including 167 (53.5%) females and 145 (46.5%) males, at a university in the Eastern Mediterranean Region of Turkey. Visions about the Future Scale, Career Decision Regret Scale, and Career Engagement Scale were used as data collection tools. Correlation analysis and regression analysis based on the bootstrap method were employed in data analysis. As a result of the correlation analysis, it was concluded that proactive career behaviors had significant relationships with visions about the future and career decision regret. The result of the regression analysis conducted to determine the moderating effect indicated that career decision regret had a moderating role in the relationship between visions about the future and proactive career behaviors. Promoting individuals’ visions about the future and reducing career decision regret can contribute to increasing proactive career behaviors.Resultsobtainedwere discussed, and suggestions were made for practitioners and researchers.