Oyinkansola ODEBUNMI2025-10-172025-10-172024-12Kate TurabiaP.hDhttps://repository.lcu.edu.ng/handle/123456789/1193Problems with marital satisfaction could spell doom for married individuals, their families and the society at large. This study investigated the influence of personality traits and coping self-efficacy on marital satisfaction among married academic staff of colleges of education in Oyo State. The study adopted the descriptive research design of survey type. Intact sampling procedure was used to select 920 academic staff in colleges of education in Oyo State. Data were generated with a questionnaire on Personality Traits, Coping Self-efficacy, Martial Satisfaction and Emotional Regulation (α =.827). Data were analysed using descriptive and inferential statistics at 0.05 alpha level. The results showed that: there is a significant joint influence of personality traits and coping self-efficacy on marital satisfaction among the respondents (Adj. R2=.987, F (2,917) =36950.786); there is a significant relative influence of personality traits (β =1.020; t=61.257) and coping self-efficacy (β= 0,27; t=1.598) on marital satisfaction among the respondents; there is a significant gender difference in marital satisfaction among the respondents male (x̅ =2.58), female (x̅ = 3.25); there is a significant gender difference in personality traits among the respondents male (x̅ =3.24, female (x̅ = 3.35); there is a significant gender difference in coping self-efficacy among the respondents male (x̅ =3.46), female (x̅ = 3.35); there is a significant moderating role of gender in the influence of personality traits and coping self-efficacy on marital satisfaction [(Male F(2, 413), =594.172); (Female F(2, 501), =20188.876] among the respondents; there is a significant moderating role of emotion regulation in the influence of personality traits and coping self-efficacy on marital satisfaction [(Cognitive reappraisal F(1 918), =42619.422); (Expressive suppression Female F(1, 918), =10027.859] among the respondents. Communication skill should be developed among academic staff of colleges of education in order to enhance their marital satisfaction, among other recommendations. Keywords: Personality traits, coping self-efficacy, marital satisfaction, married academic staff Word Count: 295enPersonality traitscoping self-efficacymarital satisfactionmarried academic staffThesis