Hélion de Villeneuve (c. 1270 – 27 May 1346) was a French-born Grand Master of the Knights of St. John. He was the brother of Saint Roseline.

He died on the island of Rhodes.

The blazon of his coat-of-arms was Gules six tilting spears in fretty, in-between the spears semy of escutcheons, all or.^[1]

There is a legend told of Hélion involving a dragon and a young knight.^[2]