Charles Sumner Frost | |
|---|---|
 | |
| Born | May 31, 1856 Lewiston, Maine, U.S. |
| Died | December 11, 1931 (aged 75) Chicago, Illinois, U.S. |
| Education | Massachusetts Institute of Technology |
| Occupation | Architect |
Charles Sumner Frost (May 31, 1856 – December 11, 1931) was an American architect. He is best known as the architect of Navy Pier and for designing over 100 buildings for the Chicago and North Western Railway.