Jean-François Colson was a French architect and engineer who worked in Portugal in the 1860's. He was responsible for projects of Alfândega Nova do Porto (1860), the Observatório da Ajuda (1861) and Câmara dos Pares do Palácio São Bento (1863). It was also author of the projects declined to arrangements of Jerónimos.

Important Buildings:

Alfândega Nova do Porto
Observatório da Ajuda
Câmara dos Pares do Palácio São Bento
Jerónimos