Anselmo Hermenegildo Joaquin Atienza (April 21, 1909 – 1989) was a Filipino politician. He served as Mayor of Manila (1944–1945) and as a member of the Philippine House of Representatives (1946–1952). His term as mayor coincided with the Liberation of Manila. He was previously the Vice Mayor of Manila (1940–1944) and a member of the Manila City Council (1934–1940).