Inouye, Daniel Ken (
ĭn'əwā', ĭnō'wā), 1924-, U.S. politician, b. Honolulu. A Democratic senator from Hawaii since 1963, he was a member of the committee that investigated the
Watergate affair (1973-74) and served as chairman of the committee that investigated the
Iran-contra affair (1987). He also has chaired the Senate Indian affairs committee (1987-95), commerce, science, and transportation committee (2007-9), and appropriations committee (2009-) and the select committee on intelligence (1975-81).