From WikiIslam

Doctor is a title that is used for many Islamic scholars who are rarely physicians.

[edit] Examples

• Sheikh Dr. Yusuf Qaradawi
• Sheik Dr. Omar Abdel-Rahman
• Sheikh Dr. Saud Al-Shuraim
• Sheikh Dr. Ayman Zawahiri (both an Islamic scholar & medical doctor)
• Sheikh Dr. Abdul Rahman Al-Sudais
• Dr. Israr Ahmed
• Sheikh Dr. Abdallah Azzam