This study examined the effect of spiritual leadership, conceptualised through vision, altruistic love, and purpose alignment on counterproductive workplace behaviour (CWB) among employees of local government councils in Delta State, Nigeria. Anchored on Spiritual Leadership Theory, the study adopted a descriptive correlational design. From a population of 10,964 employees drawn from twenty-five local government councils, a sample of 400 was determined using the Yamane (1967) formula, and a stratified random sampling technique was used to select respondents across administrative, technical, and support cadres. A structured questionnaire, validated through a pilot study and expert review and yielding a Cronbach’s alpha of 0.82, was administered, out of which 342 copies (85%) were returned and found usable. Data were analysed using descriptive statistics, Pearson correlation, and multiple regression with the aid of EViews. The results showed that vision (β = 0.134, p < 0.05), altruistic love (β = 0.472, p < 0.05), and purpose alignment (β = 0.386, p < 0.05) each had a positive and statistically significant effect on counterproductive workplace behaviour, with altruistic love exerting the strongest influence, and the model jointly accounted for a substantial proportion of the variance in CWB. The study concludes that the dimensions of spiritual leadership are critical levers for shaping employee conduct in public institutions and recommends that local government councils cultivate a clear and shared organisational vision, embed care, respect, and compassion into workplace culture through deliberate human resource policies, and redesign jobs so that employees can readily connect their roles to a higher organisational purpose