Daniel MacArthur Gade (born February 7, 1975) is an American disability and veteran benefits activist, political candidate, professor, and researcher. He became an amputee in 2005 while serving as a company commander in Ramadi, Iraq. Gade retired from the United States Army as a lieutenant colonel in 2017. Gade was the Republican nominee for the 2020 election to represent Virginia in the United States Senate losing to incumbent Democrat Mark Warner.