Ela of Salisbury, 3rd Countess of Salisbury was an English peeress. She succeeded to the title in her own right in 1196 upon the death of her father, William FitzPatrick, 2nd Earl of Salisbury.

Lacock Abbey was a monastery founded at Lacock, in the English county of Wiltshire, in the early 13th century by Ela, Countess of Salisbury, as a house of Augustinian canonesses regular. It was seized