D an G (DアンG Dī An Jī) is a tertiary antagonist featured in the sixth part of the JoJo's Bizarre Adventure series, Stone Ocean, and introduced in the "Yo-Yo Ma Is Coming!" story arc.

D an G is one of the four people Enrico Pucci sent to the Ultra Security House Unit to assassinate Jolyne Cujoh. He uses his automatic Stand, Yo-Yo Ma, to attempt to kill her and Narciso Anasui in the swamp near Green Dolphin Street Prison.