Seaver is a surname, and may refer to:
Benjamin Seaver (1795–1856), American politician from Massachusetts; mayor of Boston 1852–53
Ebenezer Seaver (1763–1844), American politician from Massachusetts; U.S. representative 1803–13
Fred Jay Seaver (1877-1970), American mycologist
Hideo Seaver (contemporary), American voice actor
Jay Webber Seaver (1855-1915), American physician and pioneer of anthropometry
Michael Seaver (born 1967), Irish musician and dance critic
Robert Chauncey Seaver (fl. 1907), American amateur tennis player
Thomas O. Seaver (1833–1912), American army officer during the American Civil War; recipient of the Medal of Honor
Tom Seaver (born 1944), American professional baseball player
