| Da | |
| Letter: | Դ դ |
| Imagealt: | Typogrraphic upper and lower case of the letter Da |
| Imagesize2: | 133 |
| Impagealt2: | Handwritten upper and lower case of the letter Da |
| Script: | Armenian script |
| Type: | Alphabet |
| Typedesc: | ic |
| Language: | Armenian language |
| Phonemes: | pronounced as /ink/ (Eastern Armenian) pronounced as /ink/ (Western Armenian) |
| Unicode: | U+534, U+564 |
| Alphanumber: | 4 |
| Number: | 4 |
| Usageperiod: | 405 to present |
Da, Ta, or T’a (majuscule: Դ; minuscule: դ; Armenian: դա) is the fourth letter of the Armenian alphabet, representing the voiced alveolar plosive (pronounced as //d//) in Eastern Armenian and the aspirated voiceless alveolar plosive (pronounced as //tʰ//) in Western Armenian. It is typically romanized with the letter D.[1] It was part of the alphabet created by Mesrop Mashtots in the 5th century CE. In the Armenian numeral system, it has a value of 4.[2]