The study was designed to explore the citizenship behavior of public sector university teachers. The study was quantitative in nature. The public sector universities of the Punjab province were population of the study. The researchers adopted multistage sampling technique and randomly selected six universities and from those six universities, 400 university teachers were selected proportionately. A survey questionnaire in the form of five point Likert scale was distributed to collect data. The compiled data were analyzed by employing MS-Excel 2010 along with Statistical Package for Social Sciences (SPSS) version 20. The university teachers' citizenship behavior was tabulated by calculating Mean scores of the respondents. It was explored that the teachers showed strong citizenship behavior at public sector universities of the Punjab. The researchers recommended that the citizenship behavior may also be investigated, recognized and acknowledged at all other levels of educational institutions and organizations of Pakistan.