As theoretical models suggest, work addiction has several adverse correlates and consequences, such as unfavorable personality traits, physical and psychological symptoms, and social conflicts. Both early and recent concepts emphasize that individuals with work addiction have more problematic social life due to obsessive overwork. This includes negative impacts on family, workplace, and other relationships. The present study aimed to systematically review and meta-analyze all the empirical studies that examined the association between work addiction and any dimension of social life, as such an analysis has never been conducted before. Studies published from 1995 to 2022 were identified through a systematic search. 102 eligible studies were included in the review, with 75 studies contributing to five different meta-analyses. The results indicated significant associations between work addiction and: (1) lower work-life balance, (2) reduced social functioning, and increased difficulties in (3) family relationships, (4) intimate relationships, and (5) relationships with the community, friends, and colleagues. The associations were found to be independent of gender and age. The meta-analytic study highlights research gaps in the field and suggests future directions, including exploring attachment styles and early social relationships in work addiction, investigating the association between social and emotional competencies and work addiction, examining the role of escape motivation, and exploring the characteristics of the partners (spouses) of workaholics. Since the quality of social relationships and social support are crucial factors in physical and mental health, the prevention and intervention of work addiction should be prioritized in organizational and clinical settings.