This study explored the effects of a 6-week psychological displacement paradigm in diary-writing (PDPD) intervention on alexithymia and social connectedness in Taiwanese college athletes at the individual and interpersonal levels. The sample comprised 87 participants (M[subscript age] = 19.80 ± 0.75 years). After a pretest, the individual writing group engaged in individual and interpersonal PDPD twice a week for 6 consecutive weeks. A posttest was conducted after the interventions, and a follow-up test was conducted 2 months later. Both the individual and interpersonal writing groups scored lower than did the control group on difficulty identifying feelings and difficulty describing feelings in the posttest, and the effects persisted at follow-up. Moreover, PDPD contributed to an increase in social connectedness. This study provided evidence of the effects of individual and interpersonal PDPD on athletes' emotion control and emotion regulation.