This study explored the relationship between career adaptability, career crafting, and subjective career success among career guidance specialists in the Sultanate of Oman. The present descriptive correlational study was conducted on 298 career guidance specialists who were selected from all governorates of Sultanate Oman. Based on the purpose of the study, the Career Adapt-abilities Scale (Savickas & Porfeli, 2012), Career Crafting Scale (Tims & Akkermans, 2020), and Subjective Career Success Scale (Briscoe et al., 2021) were used to collect the required data after adapted into Arabic. The results showed no statistically significant difference in career adaptability attributed to the variables of gender, educational level, and experience years. The results also showed no statistically significant difference in subjective career success scale in general attributed to such variables, the only exceptions came in favor of females in the learning & development dimension in importance and favor of the high education versus the intermediate diploma in financial security dimension in achievement. However, the result showed that there were statistically significant differences in the levels of career crafting due to the variable of the gender, educational level, and experience years, in favor of females, ح and the bachelor and high education versus the intermediate diploma in the dimensions of career crafting and the scale in general, and in or of the experience of fewer than 14 years versus the highest of 22 years on the scale in general. Additionally, the results indicate that there is a positive, statistically significant relationship between career adaptability, career crafting, and subjective career success, and the highest correlation between all variables and dimensions was shown with proactive career reflection and curiosity as well as learning and development, respectively. The results reached the possibility of predicting subjective career success through career adaptability and career crafting, using the regression equation. The results have been discussed and the appropriate recommendations and suggestions have been made in order to contribute to career guidance and career development.