Umberto Merlin (17 February 1885 – 22 May 1964) was an Italian lawyer and Christian Democrat politician who held several cabinet posts in the 1940s and 1950s.

[2] After World War II Merlin resumed his political activities and joined the Christian Democracy Party.

[2] He was elected as one of the 60 national councilors of the Christian Democrats in the congress held in Rome on 24–27 April 1946.

[2] He served as the minister of posts and telecommunications in the cabinet led by Alcide De Gasperi between 31 May 1947 and 23 May 1948.

[2] He also served in the same post in the cabinet headed again by Alcide De Gasperi from 16 July to 16 August 1953.