The 24-year-old singer was photographed leaving Craig's in West Hollywood with the little lady, possibly a member of his extended family or a family friend, reported AceShowbiz.
Jonas' date appeared to have a good time as she was all smiles when the two made their way out of the restaurant.
He dressed casually for the night out, wearing a grey T- shirt which he teamed with a pair of burgundy trousers and completed his look with white-and-blue sneakers.