Military diplomacy has been a vibrant tool for enhancing national interest with the peaceful use of resources for acquiring the objective of the foreign policy of the nation. The Nepali Army has a long tradition of exercising military diplomacy in order to safeguard sovereignty, territorial integrity, and national security. Different experts and scholars perceive that the military diplomacy of Nepal has been influenced by various domestic and international factors. The objective of this research is to assess various domestic and international factors that influence military diplomacy in Nepal. The research assumes an alternative hypothesis having a relationship with the influencing factors of military diplomacy. The research follows a sequential explanatory design using both primary and secondary data. Primary data are collected by using a stratified sample technique from 68 government officers engaged in administrative, security, and Foreign Service of Nepal with five-point Likert-scales questionnaire. Secondary data are extracted from research articles, books, newspapers, and online sources. The findings show that all the sub-variables of domestic and international factors are highly correlated. The regression analysis shows that domestic and international factors have a 91.5% effect on the military diplomacy of Nepal. The research suggests an improvement of domestic factors and competing with international factors for enhancing the military diplomacy of Nepal.