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Emotion regulation is essential for adaptive behavior and mental health. Dominant theoretical frameworks, together with influential neuroscientific accounts, suggest that emotion regulation is closely linked to cognitive control processes; however, behavioral evidence supporting this link remains inconsistent. To quantify these associations, a comprehensive meta-analysis was conducted to examine the relationship between individual differences in cognitive control (updating, inhibition, shifting) and four emotion regulation strategies: reappraisal (k = 70 studies, N = 10,524), suppression (k = 45, N = 5,104), rumination (k = 109, N = 10,637), and worry (k = 36, N = 3,385). Individuals with stronger cognitive control abilities showed more frequent and more effective use of reappraisal and engaged less in rumination and worry, whereas suppression showed no consistent relation. Component-level analyses suggested associations with inhibition and updating, but not shifting, with stronger effects for regulation ability than for strategy use frequency. While all notable effects were conceptually consistent, their magnitudes (rs < |.15|) were small and substantially lower than those implied by prior theoretical frameworks and influential empirical studies. Moreover, the effects showed considerable heterogeneity and substantial uncertainty. Overall, these results challenge the widely held assumption that cognitive control and emotion regulation are closely linked, indicating instead that their associations are weaker and more specific than commonly assumed. They further suggest that dominant theoretical frameworks may overestimate the strength of this link at the behavioral level, highlighting the need for more ecologically valid assessments of both cognitive control and emotion regulation.