This study focused on the relationship between VIA (Values in Action) character strengths and the general second language (L2) proficiency of Iranian upper-intermediate EFLlearners. The researchers aimed to investigate the reletionship between six VIA virtues (courage, justice, humanity, temperance, wisdom, and transcendence) and learners' general L2 proficiency. The study involved 300 Iranian EFL learners enrolled in five language institutes in Isfahan, Iran. The participants' proficiency level was assessed using an Oxford Quick Placement Test (OQPT). Language proficiency was evaluated through the International English Language Testing System (IELTS) and a questionnaire was used to measure VIA characteristics. The data were analyzed using Pearson correlation. The findings showed a significant positive relationship between various subcategories of VIA characteristics and general L2 proficiency. These subcategories included wisdom, creativity, curiosity, judgment, love of learning, courage, perseverance, honesty, humanity, love, kindness, social intelligence, justice, fairness, leadership, temperance, forgiveness, humility, prudence, self-regulation, transcendence, appreciation, gratitude, hope, humor, spirituality, and L2 proficiency. These results have implications for educational practitioners, such as school counselors, instructors, educational policymakers, and researchers, as they highlight the importance of VIA character strengths in promoting language learning achievement. پرونده مقاله