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1.
Khmer Empire
Other language: Old Khmer
2.
Srivijaya
Other language: Old Malay
3.
Đại Việt
Language: Vietnamese
4.
Gupta Empire
Other language: Prakrit
5.
Bruneian Empire
Languages: Arabic, Bornean languages, Brunei Malay, Old Malay, Old Tagalog
6.
Nanyue
Languages: Baiyue, Old Chinese
7.
Tibetan Empire
Language: Tibetan languages
8.
Kingdom of Champan
Other languages: Chamic languages, Old Cham, Old Malay, Tamil
9.
Ayutthaya Kingdom
Languages: Mon language, Sukhothai language (which developed into Thai)
10.
Majapahit
Other language: Old Javanese
11.
Vijayanagara Empire
Other languages: Kannada, Telugu
12.
Kingdom of Kandy
Languages: Sinhala, Tamil
13.
Shunga Empire
Other language: Prakrit
14.
Funan
Other language: Proto-Khmer
15.
Indo-Greek Kingdom
Other languages: Greek, Pali, Prakrit