Marcus Peter Stoinis is an Australian cricketer who plays limited overs cricket for the Australian national team. He is contracted to Western Australia and Melbourne Stars domestically, and has previously also played for Perth Scorchers and Victoria as an all rounder.

Stoinis is an Australian of Greek heritage, he was born in Perth, and represented Western Australia at both under-17 and under-19 level. Stoinis played for the Australian under-19 cricket team at the 2008 ICC Under-19 World Cup. The following year, he represented Australia at the Hong Kong Sixes.