Nena de Brennecke (born 1883) was an Argentine sculptor and mural painter known for her WPA commissions for post offices.
[1] She married Dr. Ernest de Brennecke in London, they moved to Poughkeepsie, New York, United States where they divorced seven year later.
De Brennecke worked extensively on the Board of Directors Room at the Colorado Business Bank located in downtown Denver.
In the 1930s de Brennecke relocated to Brooklyn, where the WPA commissioned her to do decorate post offices with carved wood reliefs.
De Brennecke did three mahogany carvings entitled Dewberries, Drilling and Peaches at the Hamlet post office.