He's reported to have signed a £2m deal with a company in America, who also sell clothes designed by rapper Jay-Z.
A spokesman for the company told the Sun newspaper that "the clothes will be a pure reflection of Eminem and what he'd be wearing."
Eminem and Jay-Z aren't the first rappers to design clothes, with the Wu-Tang Clan and P Diddy also hoping fans want to dress like them.
At CBBC Newsround we reckon the sizes of clothes could be interesting, perhaps coming in large, medium and slim!
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