Learning to adapt to the new set of conditions that confound behavioral standards was made possible by the pandemic-driven change in the school system. Due to these conditions and the COVID-19 pandemic, students may experience behaviors like social media addiction and social anxiety that may affect their well-being or happiness. Thus, this study aims to investigate the effects of social media addiction and social anxiety on the happiness of tertiary students amidst the COVID-19 pandemic. The study was conducted on 316 (...) first-year college students utilizing Google forms to disseminate questionnaires. After utilizing Bergen Social Media Addiction Scale, Social Anxiety Scale, and Oxford Happiness Questionnaire, it was found that social media addiction (β = -0.30, p<.00) and social anxiety (β = -0.003, p<.00) has a significant negative effect on happiness. Therefore, the study recommended and designed a student wellness program that provides a range of recreational, healthimproving, self-esteem-boosting, and relationship-strengthening activities for students in order to mitigate the negative effects of problematic social media usage and social anxiety that negatively effect their happiness. (shrink)