Katharine McPhee
- Katharine Hope McPhee Foster (born March 25, 1984) is an American actress, singer, and songwriter. In May 2006, she was the runner-up on the fifth season of American Idol.
Katerine Avgoustakis
- Katerine Avgoustakis (Greek: Κατερίνα Αυγουστάκη; born 16 September 1983) is a Greek-Belgian singer. She was the winner of the 2005 Star Academy show.
Katelin Guregian
- Katelin Guregian (née Snyder; August 16, 1987) is an American national rowing team coxswain.
Katharine Johnson
- Katharine, Catherine or Kate Johnson (or similar) may refer to:
Kateline הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד