Author
- Gregory XIV1
- Gregory of Tatev1
- Guido de Monte Rochen1
- Guillaume Tardif1
- Guillaume Tyrel1
- Guillaume de Lanicia1
- Hai Gaon1
- Hakim al-Nishaburi1
- Haliloǧlu Süleyman1
- Hamdallah Mustawfi1
- Hanns Schwartz1
- Hanns von Saher1
- Hannād Ibn al-Sarī1
- Hans Jacob Lupin1
- Hans Vinsterwalder1
- Hayashi Shihei1
- Haymo of Faversham1
- Haşmet1
- Heinrich Reicher1
- Heinrich Stegmüller1