Quirino De Ascaniis (5 August 1908 – 11 January 2009) was an Italian-born priest who was the longest serving member of PIME. Until his death at the age of 100 in 2009, he was a missionary in China (Hong Kong). He was born in Giulianova.

References PIME dean celebrates 75 years of priesthood, entirely dedicated to China 150 years of mission celebrated in PIME House Hong Kong Quirino De Ascaniis' obituary