This study aimed at identifying the most common psychological needs among wives, identifying the degree of self-efficacy and the level of martial happiness among the study sample individuals as well as identifying the extent to which these psychological needs contribute to predicting the level of marital happiness. The study consisted of (150) married female lawyers. To succeed the study objectives, the scale of psychological needs was developed; it consisted of (20) items that measure four basic dimensions: psychological security, the need to achievement, the need to affiliation, and need to respect. The scale of self-efficacy (Schwarzer & Jerusalem, 1995) was used, and the scale of marital happiness was developed; it consisted of (40) items that measure five main dimensions: emotional adjustment, intellectual adjustment, family adjustment, social adjustment, and economic adjustment. The study results directed that the most common psychological need among wives is the need to achievement. The results revealed that the level of self-efficacy among the study sample individuals was medium. The results showed that the level of marital happiness among the married Jordanian female lawyers was medium for the total degree and each of the following dimensions (emotional adjustment, economic adjustment, intellectual adjustment, social adjustment), while the dimension of family cohesion was of a high degree. The results revealed that there is a predictive power for the psychological needs and self-efficacy concerning the level of marital happiness. In the light of the results, the study recommended the necessity of conducting further experimental researches in the domain of self-efficacy and marital happiness by developing counseling programs to improve these variables among spouses.