O'Flynn is a surname of Irish origin which may refer to:

• Andrew O'Flynn (born 1946), Irish retired hurler
• Audrey O'Flynn (born 1987), Ireland women's rugby sevens international
• Catherine O'Flynn (born 1970), British writer
• Críostóir Ó Floinn (1927–2023), Irish writer who, when writing in English, used the anglicized form O'Flynn
• Dennis Flynn (1923–2003), born O'Flynn, Irish-born Canadian politician and Chairman of Metropolitan Toronto
• Diarmuid O'Flynn, Irish 21st century sports writer, activist and politician
• Francis Edward O'Flynn (1872–1942), New Zealand politician
• Frank O'Flynn (1918–2003), New Zealand politician
• Joe O'Flynn (fl. 1991–present), Irish trade union leader and former politician
• John O'Flynn (disambiguation)
• Johnny O'Flynn (born 1936), Irish former Gaelic footballer
• Kate O'Flynn (born 1986), British actress
• Ken O'Flynn, Irish politician
• Liam O'Flynn (1945–2018), Irish musician
• Margaret O'Flynn (1920–2014), British gynaecologist and pioneer of contraception services for women
• Patricia Strauss (1909–1987), née O'Flynn, British politician, feminist and patron of the arts
• Patrick O'Flynn (1965–2025), English journalist and politician
• Paul O'Flynn (Gaelic footballer) (born 1985), Irish Gaelic footballer
• Paul O'Flynn (journalist) (born 1985), Irish television reporter
• Robbie O'Flynn (born 1997), Irish hurler
• Stephen O'Flynn (born 1982), Irish retired footballer

See also

• Flynn, a surname
• Ó Floinn, Irish surname

Surname list

This page lists people with the surname O'Flynn.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.