James "Duke" Aiona (born June 8, 1955) is a Republican state government official for the U.S. state of Hawaii. He has spent his life trying to make Hawaii a better place to live in his role as Lieutenant Governor. During his first term in 2002, he made a campaign to stop drug abuse including crystal methamphetamine and underage drinking. He was the rival of Democrat David Ige who defeated him in the 2014 election for governor.