Kupang Malay or Kupang language is a Malay-based creole language spoken in Kupang, East Nusa Tenggara, which is on the west end of Timor Island. Kupang Malay is presently used as a lingua franca for inter-ethnic communication, and it also has native speakers.

It is based on archaic Malay mixed mostly with Dutch, Portuguese, and other local languages. It is similar to Ambonese Malay with several differences in vocabulary and accent. Its grammatical system resembles other Eastern Indonesian Malay creoles.

Kupang Malay originated sometime before the 17th century. Kupang Malay has Rotinese influence.

Like Indonesian, words in Kupang Malay are usually stressed on the penultimate syllable. Some words are stressed on the final syllable as they would be in their source languages. This results in some contrastive stress.

The vowels of Kupang Malay are shown in the chart below.

Unlike in Indonesian, there is no schwa in Kupang Malay.

The "ia ,"ie, "io", and iu, reduces to iya, iye, iyo, iyu or nua, oa, os becomes nuwa, woa, wos.

The consonants of Kupang Malay are shown in the chart below.