Gregg Jeffrey Costa (born June 19, 1972) is an American attorney who is a former United States circuit judge of the United States Court of Appeals for the Fifth Circuit and former United States district judge of the United States District Court for the Southern District of Texas.

- Gender
- Male
- Race
- White
Prior employment
- Private practice, Houston, Texas2002–2005, 2022–present
Southern District of TexasAssistant U.S. attorney · 2005–2012
Law clerk , Hon. William H. Rehnquist · 2001–2002
Office of the Solicitor General, U.S. Department of JusticeBristow Fellow · 2000–2001
Law clerk , Hon. A. Raymond Randolph · 1999–2000
Appointments
2014–2022 · Appointed by Barack Obama (Democratic)Term ended: Resignation
2012–2014 · Appointed by Barack Obama (Democratic)Term ended: Appointment to Another Judicial Position
Education
J.D. · 1999- Dartmouth CollegeB.A. · 1994