Mary Flaherty
Mary Flaherty may refer to:
- Mary Flaherty (baseball), All-American Girls Professional Baseball League player
- Mary Flaherty (politician), former Irish Fine Gael Party politician, TD 1981-1997
- May O'Flaherty, born Mary Flaherty, Irish bookshop operator and literary patron
- Mary Pat Flaherty, American journalist
Fictional characters
- Mary Flaherty, in the 2003 US sex comedy film American Wedding, played by Deborah Rush
- Mary Flaherty (EastEnders), in the UK TV soap opera EastEnders, played by Melanie Clark Pullen