The study examined job involvement as a predictor of psychological wellbeing among hospitability workers. A total of one hundred and eighty seven (187) hotel workers were sampled for the study. The respondents include workers drawn from five (5) Nigerian hotels located in Lagos State namely: Four Point Hotel, Global Hotel, The Crown Hotel, Le Brigadier Hotel, and Nicon Hotel. Among the participants sixty two (62) were males and one hundred and twenty five (125) females. One hundred and twenty three (123) participants are between the range of 20- 50 years (M=28.57, SD=3.41).The researcher employed a cross-sectional survey design because more than one sample was drawn from the population at one time. A multiple linear regression analysis was used to analyze the data. Two sets of instrument Psychological Well-being Scale and Job Involvement Scale were used. The result of the study showed that among the dimensions of Job involvement showed significant positive prediction of psychological well being (β=.14, p<.05).The findings were discussed in relation to literature reviewed and suggestions made.