Which group of people supported Renaissance artists?

Answer 1

Well, the Renaissance movement in general was started in Italy, by many famous artists in the 15th-16th century. Cities would hire and/or support these artists.

After the Renaissance movement started in Italy, many other European countries started to follow it, which led to more artistic and cultural improvements, aswell as an increase in the number of known artists.

Answer 2

The people who supported the Renaissance artists were known as Patrons. The biggest Patron was the church and Popes. Wealthy Aristocracy, like the Medici family, were also Patrons.