Seba Smith (September 14, 1792 – July 28, 1868) was an American humorist and writer. He was married to Elizabeth Oakes Smith, also a major writer and feminist, and he was the father of Appleton Oaksmith.
Born in Buckfield, Maine, Smith graduated from Bowdoin College in 1818 and then lived in Portland, Maine. He edited various papers including the Eastern Argus and then founded the Portland Courier and edited it from 1830 to 1837.
He was one of the first writers to use American vernacular in humor.