* Koine Greek: This was the official language of the Roman Empire and the lingua franca of the eastern Mediterranean. It was used in administration, commerce, and literature.
* Aramaic: This language was spoken by a large portion of the population, particularly those of Jewish origin. It was also widely used in everyday life and religious practices.
* Latin: Though less common than Greek, Latin was used by Roman officials and military personnel.
* Other Languages: Smaller communities within Antioch likely spoke languages like Hebrew, Phoenician, and various regional dialects.
It's important to note that the exact linguistic landscape of ancient Antioch was complex and varied depending on the social class, ethnicity, and purpose of communication.