Sir Aron ap Rhys (born ca.
1140) was a nobleman from Wales.
[1] He married Gwenllian ferch Ednyfed Fychan, daughter of Ednyfed Fychan, and was the father of Father of Efa ferch Aron; Jonet Verch Aron och Bleddri ap Sir Aron.
He became a Knight of the Holy Sepulchre.