This list of American architects includes notable architects and architecture firms with a strong connection to the United States (i.e., born in the United States, located in the United States or known primarily for their work in the United States). For a more complete list, see Category:American architects and Category:Architecture firms of the United States.
- Berlinghof And Davis
- Blank Studio Design + Architecture
- Brooks + Scarpa
- Carrère and Hastings
- Corgan
- Diller Scofidio + Renfro
- Gannon and Hands
- Gluckman Tang Architects
- Graft
- Graham, Anderson, Probst & White
- Greene and Greene
- Guilbert and Betelle
- Helfensteller, Hirsch & Watson (founded 1903)
- Hellmuth, Obata and Kassabaum
- Howells & Stokes
- Johnsen Schmaling Architects
- Koning Eizenberg Architecture, Inc.
- Kohn Pedersen Fox
- Krueck and Sexton Architects
- Lamb and Rich
- Line and Space
- Marshall and Fox
- Mayers Murray & Phillip
- McKim, Mead & White
- Peabody and Stearns
- Perkins and Will
- Peter Tolkin Architecture
- Schultze and Weaver
- Scott Simons Architects
- Shepley, Rutan and Coolidge
- Shreve, Lamb & Harmon
- Skidmore, Owings and Merrill
- Steele, Sandham and Steele
- Trost & Trost
- Warren and Wetmore
- Weiss/Manfredi
- Tod Williams Billie Tsien Architects
- Woollen, Molzan and Partners