How do I fix income that was reprted to the IRS in my name that is NOT mine?

You will need to report the employment related identity theft to the IRS. Take steps to secure your identity including putting a fraud alert at all three nationwide credit reporting companies.

Get an Identity Protection Personal Identification Number. See: What's an IP PIN? Do I need one?

For more information, see: IRS: Guide to Employment-Related Identity Theft

are you asking about income you received that belongs to someone else ?

What kind of income? On what form was it reported to you (and the IRS) on (1099-Div or ??)?  Why do you think it is not your income?