Alessandro De Angelis (born 16 August 1959 in Cencenighe Agordino, Italy) is an Italian and Argentine physicist and astrophysicist.

[4] De Angelis graduated in physics from the University of Padova in 1983 studying charmed particles produced in the LExan Bubble Chamber at the European Hybrid Spectrometer.

Had a post-doctoral activity at CERN ending as a staff member in Ugo Amaldi's DELPHI experiment.

[7] From 2010 to 2011 he has been guest scientist at the Werner Heisenberg Max Planck Institute for Physics in Munich, and since 2014 has been for three years Director of Research at INFN.

[1] He also works on popularization of science and on history and philosophy of physics, in particular in relation to cosmic rays[8][9][10] and to the Galilei period.