A new and distinct cultivar of Chrysanthemum plant named ‘Fichrybrepin’, characterized by its upright to outwardly spreading and uniformly mounded plant habit; moderately vigorous growth habit; freely branching habit; dense and full plant form; uniform and freely flowering habit; large semi-decorative type inflorescences with light purple-colored ray florets; response time about 50 days under controlled photoperiodic treatments; and good postproduction longevity.
