The grapheme Ď (minuscule: ď) is a letter in the Czech and Slovak alphabets used to denote /ɟ/, the voiced palatal plosive (precisely alveolo-palatal), a sound similar to British English d in dew.^[1][2] It was also used in Polabian. The majuscule of the letter (Ď) is formed from Latin D with the addition of a háček; the minuscule of the letter (ď) has a háček modified to an apostrophe-like stroke instead of a wedge. When collating, Ď is placed right after regular D in the alphabet.

Ď is also used to represent uppercase eth in the coat of arms of Shetland although the standard uppercase form of eth is Ð.

In Unicode, the letters are encoded at U+010E Ď LATIN CAPITAL LETTER D WITH CARON (Ď) and U+010F ď LATIN SMALL LETTER D WITH CARON (ď).^[3]

As recorded by the Unicode Consortium, the form of the minuscule letter preferred for typesetting is "d with a curved apostrophe" (rather than "d with a caron diacritic").^[3]

• Czech orthography
• Czech phonology
• Slovak phonology
• Slovak orthography