Berberis japonica is a species of flowering plant in the family Berberidaceae, native to Taiwan.

[4] The foliage is pinnate, glossy dark green above, paler beneath, and sharply toothed.

[1] A paper was published by Joseph Edward Laferrière in 1997 summarized the arguments for Mahonia being more properly classified as a synonym of Berberis.

Berberis japonica has received the Royal Horticultural Society's Award of Garden Merit.

[3] Its most obvious differences from B. japonica are in shorter, upright flowering racemes and wider leaflets.