Tyrann may refer to

• The Stars, Like Dust, a novel by Isaac Asimov serialized in Galaxy Science Fiction as Tyrann
• The fictional planet Tyrann, part of Asimov's Foundation universe continuity
• Tyrann Mathieu, American football player

• Bishop of Gibraltar in Europe
• Bishop of Glamorgan
• Bishop of Gloucester and Bristol
• Bishop of Goulburn
• Bishop of Grafton
• Bishop of Greenland
• Bishop of Guarda
• Bishop of Guayaquil
• Bishop of Guyana
• Bishop of Györ
• Bishop of Győr
• Bishop of Harare
• Bishop of Harare and Mashonaland
• Bishop of Harare-Mashonaland
• Bishop of Ho Chi Minh City
• Bishop of Honan
• Bishop of Hong Kong and Macao
• Bishop of Hradec Králové
• Bishop of Huai-ning
• Bishop of Huaining
• Bishop of Huron
• Bishop of Ibiza
• Bishop of Imus
• Bishop of Inflanty
• Bishop of Jaca