Daniel O'Mahony (disambiguation)

Daniel O'Mahony may refer to:


 * Daniel O'Mahony ((born 1973), half-British half-Irish author,
 * Daniel O'Mahony (Gaelic footballer) (born 2000), Irish Gaelic footballer
 * Daniel O'Mahony (general) (died 1714), Irish army officer
 * Danno O'Mahony (1912–1950), Irish professional wrestler
 * Dan O'Mahony (born 1967), American musician, writer, and political activist