Dryopteris dilatata, the broad buckler-fern,[1] is a robust species of deciduous or semievergreen fern in the family Dryopteridaceae, native to Europe, particularly western and central Europe.

In southern Europe, it is mostly found in mountainous regions.

[2] It grows to 90 cm (35 in) tall by 120 cm (47 in) wide, with dark green tripinnate fronds, the ribs covered in brown scales.

[3][4] The Latin specific epithet dilatata means "spread out".

[5] The species[6] and the cultivars 'Crispa Whiteside'[7] and 'Lepidota Cristata'[8] have gained the Royal Horticultural Society's Award of Garden Merit.