Traralgon (locally ) is a city located in the east of the Latrobe Valley in the Gippsland region of Victoria, Australia. The urban population of Traralgon at the 2011 Census was 24,590. It is the largest and fastest growing city in the greater Latrobe Valley urban area, which has a population of more than 75,000 and is administered by the City of Latrobe.
The origin of the name Traralgon is uncertain. It is popularly believed to be derived from words from the Gunai language: tarra meaning "river" and algon meaning "little fish". However, these words are not reflected in modern linguists' knowledge of the Gunai language, where, for example, the word for river is wun wun or wurn wurn.