Protestant Christianity: Biographies
- George Wishart
- Gerrard Winstanley
- Gilbert Sheldon
- Gilbert Tennent
- Harry Emerson Fosdick
- Heinrich Bullinger
- Heinrich Melchior Muhlenberg
- Helmut Richard Niebuhr
- Henry Ward Beecher
- Henry Whitney Bellows
- Hiram Bingham (archaeologist)
- Horace Bushnell
- Hugh Latimer
- Huldreich Zwingli
- Increase Mather
- Isaac Backus
- Jacobus Arminius
- Jakob Boehme
- James Blair
- James Nayler