Hann
Hann may refer to:
People
- Adam Hann-Byrd (born 1982), American actor
 - Allie Hann-McCurdy (born 1987), Canadian ice dancer
 - Chris Hann (born 1953), British social anthropologist
 - David Hann (born 1952), American politician
 - Della Hann, American psychologist and research administrator
 - Dorothy Hann, American beauty queen
 - Frank Hann (1846–1921), Australian explorer
 - Georg Hann (1897–1950), Austrian operatic bass-baritone
 - Jason Hann, American percussionist
 - Judith Hann (born 1942), English broadcaster and writer specialising in science
 - Julius von Hann (1839–1921), Austrian meteorologist
 - Les Hann (1911–1988), English footballer
 - Marjorie Hann (1916–2011), South Australian painter and art teacher
 - Matthew Hann (born 1980), English footballer
 - Ng Tian Hann (born 1969), Malaysian Chinese movie director
 - Quinten Hann (born 1977), Australian snooker player
 - William Hann (1837–1889), Australian explorer and cattleman
 - William Henry Hann (1831–1912), English violist, head of a musical family: 
- Edward Hopkins Hann (1861–1929), violin, founding member of London Symphony Orchestra
 - William Charles Hann (1863–1926), cellist, Philharmonic Orchestra
 - Lewis Robert Hann (1865–1937), violinist, composer, music professor at Cheltenham Ladies College
 - Sydney Herbert Hann (1867–1921), organist, pianist, hymn tune composer, teacher
 - Clement Walter Hann (1870–1921), cellist, 2nd violin, Philharmonic Orchestra
 - Marianne Sophia Hann (1878–1926), mezzo soprano, teacher
 
 - Wong Choong Hann (born 1977), Malaysian badminton player
 - Hann Trier (1915–1999), German artist
 
Places
- Hann, Senegal
 - Hann Land District, a region of the State of Western Australia
 - Hann. Münden, a town in Lower Saxony, Germany
 - Hann River, a river in the Kimberley region of Western Australia
 - Han (state) (韓) state in China, called Hann to distinguish it from the homophonic Han (漢) state
 
Other uses
- Hann function, a mathematical function often used as a window function
 - "Hann (Alone)", a 2018 song by (G)I-dle
 - "Hann (Alone In winter)", a 2021 song by (G)I-dle from their 4th korean EP "I Burn"