Catharina Jacoba Hendrika Dubbelday Haynes (born November 9, 1963) is a United States circuit judge of the United States Court of Appeals for the Fifth Circuit.

- Gender
- Female
- Race
- White
Prior employment
- Private practice, Dallas, Texas1986–1998, 2007–2008
- Dallas County [Texas] One Hundred and Ninety-First District CourtJudge · 1999–2006
Appointments
2008–present · Appointed by George W. Bush (Republican)
Education
J.D. · 1986- Florida Institute of TechnologyB.S. · 1983