This study examined workplace incivility – a pernicious effect on employee productivity in public sector organizations in Nigeria with reference to Enugu State Teaching Hospital (ESUT), Park-lane, Enugu. The specific objectives were to determine whether there is a significant relationship between dimensions of workplace incivility and employee productivity in ESUT Teaching Hospital, Enugu; to examine whether workplace incivility co-relate with low employee productivity behavioural pattern in ESUT Teaching Hospital, Enugu; and to find out whether organizational strategies for dealing with workplace incivility relate with high employee productivity in ESUT Teaching Hospital, Enugu. Descriptive survey research design was adopted and the study population comprised 3223 staff of ESUT Teaching Hospital, Enugu. Taro-Yemane formula was used to arrive at a sample size of 356 respondents and the data obtained were analysed using descriptive and inferential statistical tools. The results indicated that there is a significant relationship between dimensions of workplace incivility and employee productivity in ESUT Teaching Hospital, Enugu; workplace incivility correlate with low employee productivity in ESUT Teaching Hospital, Enugu; and organizational strategies for dealing with workplace incivility relate with high employee productivity in ESUT Teaching Hospital, Enugu. Based on the findings, the study concluded that workplace incivility is a pernicious effect on employee productivity in ESUT Teaching Hospital, Enugu. It was recommended among others that the management of public sector organizations in Nigeria need to protect workers against incivility in workplace in order to boost employee productivity cum organizational performance, that uncivil behaviour should be identified and reprimanded by the management; and that strategies for dealing with uncivil behaviour among staff should be sustained at all cost.