Iliaș Alexandru (also called Iliaș III), (c. 1635 – 1675) was voivode or Ruler of Moldavia from 1666 to 1668.

[1] He was the son of a previous ruler.

The person who preceded and reigned after him was Gheorghe Duca.

In 1668 he punished Nicolae Milescu who had been plotting against him by having his nose cut off.

Milescu had to leave and went to Constantinople.