George Campbell (Cam) Tinning, known as Campbell Tinning, RCA (February 25, 1910 – February 28, 1996) was a Canadian painter, graphic designer, muralist, and illustrator. He was an Official Canadian War Artist in World War II; the only one born in Saskatchewan. After the war, he resided in Montreal but travelled extensively and painted in every Canadian province, the United States, Jamaica, Italy, France, England and Scotland. In 1970, he was elected a full member of the Royal Canadian Academy of Arts.