Turner Sports said O'Neal will be part of TNT's studio show that also features host Ernie Johnson and analysts Charles Barkley and Kenny Smith. The deal is a multiyear contract but financial terms weren't released.
O'Neal is also be to be part of TNT's All-Star and playoffs coverage and will be a contributor for NBA TV and NBA.com. The agreement also involves Turner's entertainment and animations networks.
"I can't wait to begin my new career with Turner," O'Neal said. "Over the past several years the team at Turner has taken the NBA and entertainment, in general, to a whole new level."
O'Neal announced his retirement from the NBA last month. He played 19 years in the league and is fifth on the all-time points list (28,596). He was on four NBA championship teams and led the league in scoring twice. He was voted the most valuable player after the 1999-2000 season.