Dwight B. Heard (1 May 1869- 14 Mar 1929) was a rancher in Arizona, along with the president of the Arizona Cotton Association. He is famous for publishing the Arizona Republican, now The Arizona Republic, from 1912 to 1929. He was a delegate to the Republican National Convention in 1928. He died in 1929, a few months before the Heard Museum, a Native American art museum named after him was opened.