Grace O'Flanagan (born 7 April 1989) is an Ireland women's field hockey international. She was a member of the Ireland team that played in the 2018 Women's Hockey World Cup final. In 2009 O'Flanagan also won an Irish Senior Cup final with UCD and in 2012–13 won a Women's Irish Hockey League/Irish Senior Cup double with Railway Union. O'Flanagan is also a qualified doctor and cancer survivor.