William Kunpei Hosokawa (January 30, 1915 – November 9, 2007) was an American writer and journalist. Of Japanese descent, while interned at the Heart Mountain Relocation Center, he was the editor of the internment camp's newspaper, The Heart Mountain Sentinel. After being freed from the camp in 1943, Hosokawa worked as a columnist and editor at The Denver Post for 38 years. He retired from the newspaper industry in 1992, at the age of 77. Hosokawa was a recipient of the 2007 Civil Rights Award from the Anti-Defamation League.