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In southwestern coastal Bangladesh, the relative contribution of different salinity levels and mungbean varieties on mungbean production has been hardly quantified. A laboratory trial was carried out at Agronomy Laboratory, Agrotechnology Discipline, Khulna University to investigate the influence of mungbean varieties and water salinity levels on seed germination and early seedling growth during dry season (February to March, 2023). For the research, three mungbean varieties (BARI Mung-6, BARI Mung-7, BARI Mung-8) were chosen and subjected to six salinity levels (control, 3 dS m-1, 5 dS m-1, 7 dS m-1, 9 dS m-1, 11 dS m-1). The research was arranged in a factorial Completely Randomized Design (CRD). Data were collected for various germination (germination percentage, germination capacity, germination energy) and early seedling growth characters (root length, shoot length). The analysis of variance (ANOVA) technique was employed for data analysis. All the germination and seedling growth parameters varied significantly due to varieties as well as due to for salt treatments. BARI Mung-6 exhibited the best performance regarding all the studied traits among the three mung bean varieties. Salt stress caused a negative impact on various germination qualities and early seedling growth characters. However, BARI Mung-6 performed well fit for 7 dS m-1 salinity level. Therefore, BARI Mung-6 could be a useful material for cultivation in the salt affected soils of southwestern coastal Bangladesh.