George Barret Sr. ( – 29 May 1784) was an Irish landscape artist best known for his oil paintings, but also sometimes produced watercolours. He left Ireland in 1762 to move to London where he soon gained recognition as a leading artist of the period. He exhibited at the Society of Artists of Great Britain and was able to gain patronage from many leading art collectors. Barrett with other leading members left the Society in 1768 to found the Royal Academy, where he continued to exhibit until 1782.