Gary Gage Grindler (born July 10, 1950) is an American lawyer who served as acting United States Deputy Attorney General in 2010.

[4][5] Grindler served as chief of staff to United States Attorney General Eric Holder until December 2012.

He represented President Bill Clinton in his official capacity during depositions arising out of the Whitewater investigations.

During his tenure at the United States Department of Justice during the Obama administration, Grindler was criticized by congressional Republicans and an official report by the Office of the Inspector General for his involvement in Operation Fast and Furious.

[7] Grindler served as a legal counsel and partner with the private law firm of King & Spalding from 2013 to 2018.