Lorenzo "Renzo" Dalmazzo (January 23, 1886 – December 12, 1959) was an Italian lieutenant general and corps and army commander during World War II.

[1] He returned to Italy and became commander of the 2nd Cavalry Division "Emanuele Filiberto Testa di Ferro".

After the outbreak of World War II he commanded the XXI Corps in the Western Desert Campaign in 1939–1940.

[2] He commanded the VI Corps in occupied Yugoslavia in 1940–1942, where he was instrumental in negotiating collaboration agreements with the Chetniks.

In March 1943 he negotiated an agreement with Ali Këlcyra of the Balli Kombëtar for their assistance in suppressing the communist resistance.