The grapheme Čč (Latin C with caron, also known as háček in Czech, mäkčeň in Slovak, kvačica in Serbo-Croatian, and strešica in Slovene) is used in various contexts, usually denoting the voiceless postalveolar affricate consonant [t͡ʃ] like the English ch in the word chocolate.

The symbol originates with the 15th-century Czech alphabet as introduced by the reforms of Jan Hus.

In the Czech, Northern Sami, Belarusian Latin, Lithuanian and Latvian alphabets, the letter is in fifth place.

It is equivalent to Ч in Cyrillic and can be used in Ukrainian, Belarusian, Russian, Serbian, and Bulgarian romanisations.

Č is the similar to the Sanskrit च (a palatal sound, although IAST uses the letter c to denote it) Representation in software follows the same rules as the háček.