As of now, the identity of Luffy’s mother in the One Piece manga and anime series remains unknown. Creator Eiichiro Oda has not revealed any information about Luffy’s mother, and there has been little to no information provided about her throughout the series.

What is known about Luffy’s family background is that he was born to Monkey D. Dragon, the leader of the Revolutionary Army, and his wife, who has yet to be named or seen in the series. Dragon is a powerful and controversial figure in the world of One Piece, leading a movement against the World Government and fighting for the rights of oppressed individuals and groups.
Despite the lack of information about Luffy’s mother, the identity of his father and his relationship with him has been explored to some extent in the series. Luffy’s father, Dragon, is portrayed as a powerful and enigmatic figure who abandoned his family to pursue his revolutionary goals. Luffy has expressed curiosity and even admiration for his father’s ideals, but has also been conflicted about his absence from his life.
It is unclear whether Luffy’s mother will play a significant role in the series or whether her identity will ever be revealed. However, given the ongoing popularity and longevity of One Piece, there is always a possibility that new information about Luffy’s family background may be revealed in future chapters or episodes.
In conclusion, the identity of Luffy’s mother in One Piece remains unknown. Creator Eiichiro Oda has not revealed any information about her, and she has not been depicted or mentioned in the series. While Luffy’s father, Monkey D. Dragon, has been explored to some extent, the mystery surrounding Luffy’s mother remains a topic of speculation and discussion among fans. As the series continues to unfold, there is always a possibility that new information may be revealed about Luffy’s family background and the role that his mother may play in the story.