Alpha Crucis is also known as Acrux, which is derived from its position as the brightest star in the Crux constellation. Another synonym for Alpha Crucis is Magellanic Clouds, as it is one of the stars used by the indigenous people of Australia to mark the location of the two Magellanic Clouds. Additionally, Alpha Crucis is sometimes referred to as the Southern Cross, as it forms the southernmost point of the asterism. The star is also known by its Arabic name, Al Na'ir, which means "the bright one". Finally, it is sometimes referred to as the Jewel of the South or the Pearl of the Southern Skies due to its stunning brightness and importance in the night sky.