Meek Mill kicked it with a VIP visitor -- Philadelphia 76ers superstar Joel Embiid ... TMZ Sports has learned.

Meek being a famous Philly native, has become friends with Embiid, who's now joining the public outcry against Meek's 2 to 4 year prison sentence for violating parole. Joel went to visit Meek last Friday, along with 76ers co-owner Michael Rubin, and we're told the visit went as good as it could.