Andrew Stewart, 1st Lord Avondale (died 9 September 1513) was a Scottish nobleman.

He was the son of Alexander Stewart, from whom he inherited the lands of Avondale.

Alexander had inherited them from his uncle Lord Avondale, who had in turn received them following their forfeiture by the last Earl of Douglas and Avondale in 1455.

He died in 1513, killed at the Battle of Flodden.

Lord Avondale married Margaret Kennedy, daughter of John Kennedy, 2nd Lord Kennedy, and their children included: