A new and distinct cultivar of Chrysanthemum plant named `Regal Yoirvine`,
characterized by its upright and uniformly mounded plant habit; freely
branching and vigorous growth habit; dark green-colored foliage; uniform
flowering response; early and freely flowering habit; daisy-type
inflorescences with purple-colored ray florets; and excellent
postproduction longevity with inflorescences maintaining good substance
and color for about four weeks in an interior environment.