The financial business industry has a vital role in national economic development. In Thailand, financial businesses practice innovation to develop the organisation. Weighing on this matter, this study examined the impacts of authentic leadership, psychological capital, and job crafting on the organisational innovation of Thailand's financial business sector. Survey questionnaires were distributed to 683 private company employees for example. Multiple linear regression analyses were employed as

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... the data analysis techniques. The findings disclosed a significantly positive relationship between authentic leadership and organisational innovation; the hypothesis was, hence, supported (β= 0.61, t = 21.49, p =.00). Besides, the results showed that psychological capital and organisational innovation had a significant positive relationship, proving the hypothesis (β = 0.73, t = 21.89, p =.00). Moreover, job crafting and organisational innovation positively and significantly impacted job crafting and organisational innovation, sustaining the hypothesis (β = 0.70, t = 21.33, p =.00). Overall, this study found the relative importance of authentic leadership, psychological capital, and job crafting enhancing organisational innovation. The findings may assist practitioners in business organisations in setting up policies, planning, and strategies. Future research may explore the impacts of multiple sectors and industries as well as add other variables influencing the organisational innovation in the prediction equation. Additional mediating and moderating mechanisms may be needed to advance the relevant knowledge.