Niamh Briggs (born 30 September 1984) is an Ireland women's rugby union international.
She represented Ireland at the 2010 and 2014 Women's Rugby World Cups.
She was also a member of the Ireland teams that won the 2013 and 2015 Women's Six Nations Championships.
Briggs was a member of the first Ireland teams to defeat France, England and New Zealand.
She was captain of the Ireland team when they won the 2015 Six Nations title and was the top points scorer during both the 2013 and 2015 Six Nations championships.
Briggs is also an Ireland women's rugby sevens international and has also played senior Ladies' Gaelic football for Waterford.
Briggs is a Garda SÃochána officer based in Limerick.