Architecture: Biographies
- James Buchanan Eads
- James Gamble Rogers
- James Gibbs
- James Hoban
- James Ingo Freed
- James Renwick
- James Wyatt
- Jan Pieter van Baurscheit
- Jean de Bodt
- Jean Francois Chalgrin
- Jean Louis Charles Garnier
- Jean-Baptiste-Alexandre Le Blond
- Jean-Rodolphe Perronet
- Johann Balthasar Neumann
- Johann Bernhard Fischer von Erlach
- John Box
- John Caius
- John Francis Bentley
- John Green
- John Haviland