She was found in California by Twitter user Andre Golo. He couldn't believe it, and posted a photograph of Isis' driver's licence as 'proof'. She apparently lives in Salem, Massachusetts.
"I was talking to someone and didn't believe her when she told me her name," he said. "Dear Internet, please don't break".
Interestingly, the internet remained entirely intact. It didn't even close to breaking. At the time of writing, Andre's tweet had only been shared about 400 times.
Why? Because Isis Harambe is an unbelievable name. Is the driver's licence fake? Did the woman change her name for the bants? Both possible – and both ideas floated by others.
We asked Andre about getting in touch with Isis. He told Mirror Online that she's also on Instagram and SnapChat, and is very much real.
We don't know who to believe – but hope to talk to Isis Harambe soon.