Pietro Antonio Locatelli was an Italian Baroque composer and violinist.
When Locatelli went to Amsterdam in 1729, he discovered the centre of European music publishing. He published his Opp. 2–6, 8 and 9 and a new edition of Op. 1 in Amsterdam, and Op. 7 in the neighbouring city of Leiden. He took great care to achieve flawless editions. Locatelli gave the well-arranged works to different publishers, and he edited and sold the less-arranged works.