Beahan is a surname, and may refer to:
Brianna Beahan (born 1991), Australian track and field athlete Daniel Beahan (born 1984), Australian boxer Kate Beahan (born 1974), Australian film actress Kermit Beahan (1918–1989), bombardier on the American B-29 Superfortress Bockscar Kevin Beahan (1933–2022), Irish Gaelic footballer Michael Beahan (1937–2022), 19th President of the Australian Senate Virginia Beahan (born 1946), American photographer
See also Behan