Origanum rotundifolium, the round-leaved oregano, is a species of flowering plant in the family Lamiaceae,[1] native to Turkey, Armenia and Georgia.

It is a small woody-based perennial or subshrub growing to 10–30 cm (4–12 in) tall by 30 cm (12 in) wide, with strongly aromatic leaves, and loose clusters of pink flowers with hop-like pale green bracts, throughout the summer.

[2] The specific epithet rotundifolium means "round-leaved".

It prefers alkaline soil, and dislikes winter wetness.

It has gained the Royal Horticultural Society's Award of Garden Merit.