Diamond Garcia (/ɡɑːrsjiɑː/; gars-ia born November 3, 1997) is an American politician.

Garcia is an active member of the Seventh-day Adventist Church.

In 2014, he was the National Account Director for Remnant Publications, a Christian book publisher, in Coldwater, Michigan.

[6] In 2018, Garcia became chief of staff in the Office of the Minority Leader Emeritus.

Between 2021 and 2022, Garcia held the position of vice-chairman of the Hawaii Republican Party before becoming chairman on January 31, 2023, after Lynn Finnegan resigned from the role.