Tina Kellegher (born 1967 in Dublin), is an Irish actress, best known for her role as Niamh Quigley in BBC television series Ballykissangel. She is also a well-known voice on BBC Radio 4, having played policewoman Tina Mahon in the first four series of Baldi. She is married to Gordon Wycherley, location manager on, among other projects, Ballykissangel. They have two sons, Michael, who was born in 2003, and Brian, who was born in 2007. Her brother-in-law is fellow Ballykissangel star Don Wycherley.
Tina also spent some time in Galway in the late 1980s where she played a variety of roles with Druid Theatre. She also worked with the Abbey Theatre playing, among other roles, Nora Clitheroe in the highly acclaimed production of The Plough and the Stars, opposite Aidan Kelly in 2004.
Kellegher is currently based in Mullingar, County Westmeath, where she is a member of the North Westmeath Hospice committee.