|Irish name||Deirdre Ní Choisteala|
|* club appearances and scores correct as of (16:31, 30 June 2010 (UTC)).
**Inter County team apps and scores correct as of (16:31, 30 June 2010 (UTC)).
Deirdre Costello is a former camogie player, winner of an All Ireland senior medal when her county won its first senior success in 1996 and winner of the AIB Gaelic Star award for Camogie Junior Player of the year in 1985.
She won three All Ireland medals at different grades in 1985, scoring four goals in her county's victorious All Ireland Junior final against Armagh in September, scoring 3–5 for St Raphael’s Loughrea whom she captained to victory against Loreto, Letterkenny, in the All Ireland colleges final in March, winning a National Junior League with Galway in May. She finished second in the Gradam Taillte skills competition and scored 2–1 in the All Ireland minor final against Cork, in which Galway were defeated. She played for Connacht in both the junior and senior finals of the Gael Linn Cup that year, scoring a goal in the senior final.