Alexion

{{Short description|1st-century BC Greek physician}}

{{For|the pharmaceutical company|Alexion Pharmaceuticals}}

Alexion (died 44 BCE) was an ancient physician. His name and profession are known from a lamentation on his sudden death, authored by his close friend Cicero.Cicero, Ad Atticus vii. 2, xiii. 25, xv. 1. d 2 His name suggests that he was Greek.{{cite encyclopedia | last = Greenhill | first = William Alexander | title = Alexion | editor = William Smith | encyclopedia = Dictionary of Greek and Roman Biography and Mythology | volume = 1 | pages = 128 | publisher = Little, Brown and Company | location = Boston | year = 1867 | url = http://quod.lib.umich.edu/cgi/t/text/pageviewer-idx?c=moa;cc=moa;idno=acl3129.0001.001;q1=demosthenes;size=l;frm=frameset;seq=143}}