Canonica is a surname. Notable people with the name include:
Emanuele Canonica (born 1971), Italian golfer Giorgio Walter Canonica (born 1947), Italian allergist and pulmonologist Luigi Canonica (1762–1844), Swiss architect and urban planner Pietro Canonica (1869–1959), Italian artist, composer, academic and senator Sibylle Canonica (born 1957), Swiss actress
See also Canonica d'Adda, is a comune in the Province of Bergamo in the Italian region of Lombardy Eupithecia canonica, is a moth in the family Geometridae