(19 May 1871 – 31 January 1946) was an Italian Cardinal of the Roman Catholic Church who served as Archbishop of Genoa from 1938 until his death, and was elevated to the cardinalate in 1935.

After finishing his studies in theology in 1902, Boetto then served as a professor and the rector of the Genoese "Istituto Arecco" until 1904.

Pope Pius XI created Boetto Cardinal Deacon of Sant'Angelo in Pescheria in the consistory of 16 December 1935.

He received his episcopal consecration on the following 24 April 1938 from Cardinal Gennaro Pignatelli di Belmonte, with Archbishops Giuseppe Migone and Giovanni Vallega serving as co-consecrators, in the church of Sant'Ignazio.

[1] On 8 December 1945 Genoa awarded its Cardinal with citizenship after he urged all Axis forces near the city into surrender.