Killester Basketball Club is an Irish basketball club based in Dublin. Established in 1967 by Michael Casey, Killester is one of the oldest and most successful professional basketball clubs in Ireland. The club's senior men's and women's representative teams, Pyrobel Killester, both play in Ireland's top national leagues.
In 1973, Killester BC entered a men's team into the Irish National League for the competition's inaugural season. Between 1975 and 1977, Killester won three championships in a row. In 1978, a women's competition was established, and a Killester women's side won the competition's first two titles.
Between 2001 and 2014, the Killester men won five championships and three National Cup titles. The women also managed two National Cup titles in 2002 and 2005.