Louis Piazzoli, PIME (12 May 1845 – 26 December 1904) was the Apostolic Vicar of Hong Kong from January 11, 1895 to 1904.
Born in Bergamo, Italy, Piazzoli was ordained as a priest on 1 September 1868.
[2] In 1870, he left the mission station in Ting Kok and started his missionary work in Sham Chung, helping the farmers build a dam.
[3][4] Appointed Vicar Apostolic of Hong Kong on 11 January 1895 and ordained Bishop on 19 May 1895.
Piazoli's remains were return to Italy, but return to Hong Kong in 2014 to rest at the crypt at Cathedral of the Immaculate Conception.