Heather O'Brien

Heather O'Brien (born 22 July 1984) is a female Irish rugby union player. She was in 's 2014 Women's Rugby World Cup squad. She scored a try in 's victory over the Black Ferns at the 2014 World Cup.

O'Brien studied Physical therapy at Queen Margaret University. She runs her own clinic, the North Cork Physiotherapy & Acupuncture Clinic, in Mallow, County Cork. She was awarded the Evening Echo Ladies Sportstar of the Month for August 2014.