Objective: While emerging evidence points to a reliable link between sport team member communication and perceived cohesion, less is known about potential boundary conditions. This study examined the moderating effect of psychological safety, which captures how members perceive and value their team environment, as one construct that may qualify the communication–cohesion relationship. Method: Team sport athletes (N = 135; Mage = 22.49 years, SD = 5.8) completed measures of cooperative communication, psychological safety, and task cohesion (individual attractions to the group [ATG-Task] and group integration [GI-Task]) using a concurrent online questionnaire. Result: Cooperative communication was positively related to both ATG- and GI-Task (all ps