Stephen Dimopoulos (born 3 December 1972) is an Australian politician.
He has been a Labor Party member of the Victorian Legislative Assembly since November 2014, representing the Legislative Assembly seat of Oakleigh.
On 29 November 2018 he was appointed Parliamentary Secretary to the Treasurer.Prior to his election to state parliament, Dimopoulos was a small business owner and a councillor, former mayor and deputy mayor of the City of Monash.