- Source of Wealth: Law
- Age: 94
- Birth Place: Houston, Texas, United States
- Marital Status: Widowed
- Full Name: Joseph Dahr Jamail, Jr.
- Nationality: Lebanese-American
- Date of Birth: October 19, 1925
- Ethnicity: Lebanese
- Occupation: Lawyer
- Education: The University of Texas School of Law, The University of Texas at Austin
- Children: 3
Throughout his legal career, Joe Jamail has specialized on personal injury cases. For representing Pennzoil against Texaco, Jamail received a contingency fee of $335 million.
In 1986, together with his wife Lee, Joe Jamail built the Lee and Joseph D. Jamail Foundation which has already given $200 million to performance arts, education and medical research. More than $30 million of which was donated to the University of Texas which gives scholarships to 4,500 students.