Bochy also named Reds manager as part of his coaching staff.
This is the first time participating in the All-Star Game for Mattingly as a manager. He was an All-Star for six straight years (1984-89) as a player, elected to start at first base in 1987, and as the Yankees hitting coach in 2004 was a part of manager Joe Torre's American League staff.
"I'm honored, and excited about it," Mattingly said on Thursday.
The 2015 All-Star Game will be held on Tuesday, July 14, at Great American Ball Park in Cincinnati, roughly a three-hour drive from Mattingly's home in Evansville, Indiana.
"It's close to home, and I'd be there anyway," Mattingly said. "Everybody likes days off, but any All-Star Game situation you're just honored to be a part of it."
The last Dodgers manager to serve as an All-Star coach was Joe Torre, part of Charlie Manuel's staff in 2009.