Ishigaki Daisuke is the keyboardist of the Johnny's Entertainment junior groups Question? and FiVe.
- Name: Ishigaki Daisuke (石垣大祐)
- Birthday: June 28, 1985
- Birthplace: Nerimaku, Tokyo, Japan
- Blood Type: A
- Height: 175cm
- Weight: 55kg
- Entered Johnny's: November 2000
- His hobby is bowling.
- During elementary and junior high school, he played a lot of soccer.
- His mother is his piano teacher.
- His favorite alcohol is dried plum liquor.
- Actor Ishigaki Yuma is his older brother.
- He was going to reveal the truth about Santa to juniors Morimoto Ryutaro and Kyomoto Taiga. (But Yodogawa Yoshihiro stopped him.)
- Surprisingly, he does not ride rollercoasters. (from Shounen Club)