Koontz is the surname of the following notable people:
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Charley Koontz (born 1987), American actor
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Dean Koontz
Dean Ray Koontz (born July 9, 1945) is an American author. His novels are billed as Thriller (genre), suspense thrillers, but frequently incorporate elements of horror fiction, horror, fantasy, science fiction, Mystery fiction, mystery, and satir ...
(born 1945), American author
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Elizabeth Duncan Koontz
Elizabeth Duncan Koontz (June 3, 1919 – January 6, 1989) was a national figure in education, civil rights and the women's movement. She was the first African-American president of the National Education Association and director of the United Stat ...
(1919–1989), African-American educator
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Harold Koontz (1909–1984), American business consultant
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Joe Koontz (born 1945), American football player
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Lawrence L. Koontz, Jr. (born 1940), Senior Justice of the Supreme Court of Virginia
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Robin Koontz (born 1954), American children's book author and illustrator
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Roscoe L. Koontz (1922–1997), American health physicist
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Stephe Koontz, American politician
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William Henry Koontz (1830–1911), member of the U.S. House of Representatives
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Surnames from given names