The department is named in honour of Florentino Ameghino (September 18, 1854 – August 6, 1911), an Argentinian naturalist, paleontologist, anthropologist and zoologist
Leona Florentino | Florentino Ameghino | Florentino Pérez | Florentino Collantes |
His views have been compared to the paleontologist Florentino Ameghino who believed that humanity had originated on the banks of Río de la Plata.