Konstantin Thon
| Konstantin Andreyevich Thon | |
|---|---|
| Born | October 26, 1794 Saint Petersburg, Russian Empire | 
| Died | 25 January 1881 (aged 86) Saint Petersburg, Russian Empire | 
| Resting place | Volkovo Cemetery, St. Petersburg | 
| Occupation | Architect | 
| Buildings | Cathedral of Christ the Saviour | 
Konstantin Andreyevich Thon or Ton (Russian: Константи́н Андре́евич Тон; October 26, 1794 – January 25, 1881) was a Russian architect who was one of the most notable architects during the reign Nicholas I. His major works include the Cathedral of Christ the Saviour, the Grand Kremlin Palace and the Kremlin Armoury in Moscow.