The current study was designed to find out relationship between psychological skills and performance efficacy and mediating role of sportsmanship in domestic, national and international hockey players. It was a correlational research employing cross sectional research design in which the sample of 261 hockey players was recruited via purposive sampling. The assessment measures included Psychological Skills Scale for Hockey Players and Cricketers (Solomon, Malik & Kausar, 2019), Youth Sports Value Questionnaire-2 (Lee, Whitehead, & Ntoumanis, 2007) and Collective Efficacy for Sports Questionnaire (Short, Sullivan, & Feltz, 2009). Results showed a significant relationship between psychological skills, sportsmanship and performance efficacy in hockey players, however, perceivedpsychologicalsupport was found to be significant positive predictor of sportsmanship and sportsmanship coined as a significant positive predictor of performance efficacy. Furthermore, sportsmanship was found to be significant mediator between perceived psychological support and performance efficacy. This research will work as an empirical proof for Pakistan Hockey Federation (PHF) to conduct psychological skills training for hockey players for the enhancement of their performance efficacy by signifying theimportance of sportsmanship.