Ngambay (also known as Sara, Sara Ngambai, Gamba, Gambaye, Gamblai and Ngambai) is one of the major languages spoken by Sara people in southwestern Chad, northeastern Cameroon and eastern Nigeria, with about a million native speakers. Ngambay is the most widely spoken of the Sara languages, and is used as a trade language between speakers of other dialects. It is spoken by the Sara Gambai people.

Ngambay has Subject–Verb–Object word order.^[2] Suffixes indicate case.^[2] There is no tense; aspect is indicated by a perfective–imperfective distinction.^[2] Modifiers follow nouns.^[2] The numeral system is decimal, but eight and nine are expressed as 10-minus-two and 10-minus-one.^[3] It is a tone language with three tones: high, mid, and low.^[4] There are loan words from both Arabic and French.^[4]