| Cha | |
| Letter: | Չ չ |
| Script: | Armenian script |
| Type: | Alphabet |
| Typedesc: | ic |
| Language: | Armenian language |
| Phonemes: | pronounced as /ink/ |
| Unicode: | U+0549, U+0579 |
| Alphanumber: | 25 |
| Number: | 700 |
| Usageperiod: | 405 to present |
Cha, or Čʼa (majuscule: Չ; minuscule: չ; Armenian: չա) is the twenty-fifth letter of the Armenian alphabet. It represents the voiceless postalveolar aspirated fricative (/t͡ʃʰ/) in both Eastern and Western varieties of Armenian. Created by Mesrop Mashtots in the 5th century, it has a numerical value of 700.[1] Its shape in capital form is visually similar to one other Armenian letter, Sha (Շ). Its shape in lowercase form is also similar to the Latin letter Z (z).