Georges-Jacques Aelsters (1770 – 11 April 1849) was a carillonneur and composer from Ghent.

He was born into a musical family at Ghent. He was carillonneur of that town from 1788 to 1839. He was also for fifty years director of the music at the St. Martin's Church [ nl], and composer of much church music still performed well after his death in Flanders, especially a Miserere.

This article incorporates text from a publication now in the public domain:  Grove, George, ed. (1900). "Aelsters, Georges" . A Dictionary of Music and Musicians. London: Macmillan and Company.