
Giulio Alessandrini (Latin Julius Alexandrinus or German Julius Alexandrinus von Neustein; 1506 – 25 August 1590) was a physician, writer, and poet.
Giulio Alessandrini was born in Trento. He studied philosophy at the University of Padua. He was physician to emperors Ferdinand I, Maximilian II, and Rudolph II.
He was a devoted follower of Galen and translated many of Galen's works into Latin, adding his own commentary. He died in Civezzano.