Mary Breen

{{short description|Australian shot putter}}

{{use Australian English|date=January 2018}}

{{use dmy dates|date=January 2018}}

{{Infobox sportsperson

| name = Mary Breen

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| nationality = Australian

| sport = Athletics

| event = Shot put

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| birth_date = {{birth date|1933|1|3|df=yes}}

| birth_place =

| death_date = {{death date and age|1977|10|1|1933|1|3|df=yes}}

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}}

Mary Breen (3 January 1933 – 1 October 1977) was an Australian athlete. She competed in the women's shot put at the 1956 Summer Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/br/mary-breen-1.html |archive-url=https://web.archive.org/web/20200418070244/https://www.sports-reference.com/olympics/athletes/br/mary-breen-1.html |url-status=dead |archive-date=18 April 2020 |title=Mary Breen Olympic Results |accessdate=6 January 2018}}