Rusian may refer to:
* Old East Slavic, a language which some scholars refer to as ''Rusian''
* Ruthenian language, also known as ''Rusian''
* Rusian, a fictional character in ''And You Thought There Is Never a Girl Online?''
See also
* Rus' people
* Ruslan (disambiguation)
* Russian (disambiguation)
* Rusyn (disambiguation)
{{Disambiguation