Aaron \a(a)-ron\ as a boy's name is pronounced AIR-an, AHR-an. It is of Hebrew origin, and the meaning of Aaron is "mountain of strength". From the Hebrew "har-on", or possibly of Egyptian origin. Biblical: Moses' brother Aaron was the first high priest of Israel. American Vice President Aaron Burr; baseball celebrity Hank Aaron; composer Aaron Copland; actor Aaron Eckhart.
Aaron has 37 variant forms: Aaran, Aaren, Aarin, Aaro, Aaronas, Aaronn, Aarron, Aaryn, Aeron, Aeryn, Aharon, Ahran, Ahren, Ahron, Airen, Airyn, Aran, Arand, Arek, Aren, Arend, Ari, Arin, Arnie, Aron, Aronne, Arran, Arron, Arun, Auron, Ayren, Ayron, Erin, Haroun, Ron, Ronnie and Ronny.
For more information, see also the related name Eron.