Seaman is a surname and a given name. People with the name include:

• Alfred Seaman (c. 1844–1910), English photographer
• Allen L. Seaman (1916–1944), U.S. Navy pilot
• Art Seaman (1923–2007), American speed skater
• Arthur Edmund Seaman (1858–1937), American mineralogist
• Augusta Huiell Seaman (1879–1950), American children's writer
• Barbara Seaman (1935–2008), American author, activist, journalist, and women's health feminist
• Barrett Seaman, American non-fiction writer
• Bob Seaman (1932–2018), American college football coach
• Byron Seaman (1923–2021), Canadian businessman and co-owner of the Calgary Flames hockey team
• Camille Seaman (born 1969), American photographer
• Charlie Seaman (born 1999), English footballer
• Christopher Seaman (born 1942), British music conductor
• Clarence Seaman (1908–1974), British headmaster
• Cleora Augusta Stevens Seaman (1814–1869), American physician
• Daniel Seaman (born 1961), Israeli media professional and former civil servant
• Daryl Seaman (1922–2009), Canadian businessman and co-owner of the Calgary Flames hockey team
• Dave Seaman (born 1968), British DJ and record producer
• David Seaman (born 1963), English football goalkeeper
• David Seaman (writer), American writer and conspiracy theorist
• Elisha B. Seaman (c. 1838–1919), American soldier
• Elizabeth Cochrane Seaman a.k.a. Ellie Seaman (1864–1922), American journalist and philanthropist whose pen name was Nellie Bly
• Ernest Seaman (1893–1918), English soldier
• Eugene Cecil Seaman (1881–1950), American Episcopal bishop
• Ezra Seaman (1805–1880), American lawyer and political theorist
• Frederic Seaman (1906–2000), Indian field hockey player
• Galen Seaman (1837–1932), member of the Wisconsin State Assembly
• J. C. Seaman (1898–1964), member of the Louisiana House of Representatives
• Jill Seaman, American doctor
• Jonathan O. Seaman (1911–1986), United States Army career officer
• Justin M. Seaman, American filmmaker
• Kal Seaman (1915–2008), Canadian politician
• Keith Seaman (1920–2013), former Governor of South Australia (1977-1982)
• Keith Seaman (Arizona politician), member of the Arizona House of Representatives
• Kim Seaman (born 1957), American former baseball player
• Lazarus Seaman (died 1675), English nonconformist minister, supporter of the Presbyterian party, Master of Peterhouse, Cambridge
• Louis Livingston Seaman (1851–1932), American surgeon and writer
• Mary Jane Seaman (c. 1837–1888), English actress and singer
• Nancy Seaman (born 1952), American murderer
• Owen Seaman (1861–1936), British writer, editor of Punch magazine
• Peter Seaman (mayor) (1662–1715), Mayor of Norwich and High Sheriff of Norfolk
• Peter S. Seaman (born 1951), American screenwriter and film producer
• Rachel Seaman (born 1986), Canadian race walker
• Richard Seaman (1913–1939), English racing driver
• Robert Seaman (1822–1904), American industrialist and husband of Nellie Bly
• Ryan Seaman (born 1983), American musician and singer
• Ryan Seaman (racing driver) (born 1982), American NASCAR driver
• Sylvia B. Seaman (1900–1995), American suffragist and writer
• Tanya Seaman (1967–2022), American environmentalist
• Tim Seaman (born 1972), American race walker
• Valentine Seaman (1770–1817), American physician
• Victoria Seaman, American politician
• William Seaman (1925–1997), American photographer
• William B. Seaman (c. 1875–1910), American football and baseball player and coach
• William Grant Seaman (1866–1942), American Methodist Episcopal minister and academic
• William Henry Seaman (1842–1915), American lawyer and judge

• Seaman Dan (1929–2020), Torres Strait Islander (Australian) singer-songwriter
• Seaman Frank (1912–1949), British seaman
• Seaman Nobby Hall (1892–1953), Scottish boxer
• Seaman Jacobs (1912–2008), American screenwriter
• Seaman A. Knapp (1833–1911), American agronomist and university president
• Seaman Squyres (1910–1979), American football player

• Seamon (surname)
• All pages with titles containing Seaman