Sideritis cypria, the Cyprus ironwort, is a species of flowering plant in the family Lamiaceae.

Erect perennial herb with a woody base, 60 cm high, with densely hairy tetragonal shoots.

Leaves, opposite, simple, obscurely serrate, densely hairy, thick, oblanceolate, 3-12 x 1–5 cm.

Flowers in verticillasters subtended by the cup-like bracts, zygomorphic, corolla bright yellow.

[2] South-facing, dry limestone cliffs, altitude 300–900 m. A very rare and vulnerable species endemic to Cyprus.