The changing nature of the world of work over the decade has confirmed the importance of training and development programmers in enhancing employees’ eﬀectiveness and organizational commitment. Tis study was set out to investigate the inﬂuence of training and development programmers (TDPs) on organizational commitment among non-teaching staﬀ of universities in south-west Nigeria. Te study employed a descriptive survey research design. The study population was the entire non-teaching staﬀ of six (6) randomly selected federal and state universities in southwest Nigeria. In selecting the sample size, multistage, stratified and simple random techniques were employed to select seven hundred and seven (707) respondents. A structured questionnaire tagged “Staﬀ Training and Development Programmed on Organizational Commitment” (STRDPOCQ) with reliability co-efficient of 0.97 was the instrument used for data collection. Tree research questions and two hypotheses were raised and analyzed with the inferential statistical tool of chi-square (x2) and t-test at 0.05 level of significance. the findings of the study showed that TDPs have a strong positive correlation with organizational commitment. Based on the findings, the study concluded that TDPs are predictors of organizational commitment. It was recommended that the government must be prepared to support TDPs through adequate funding.