Caitlín "Cait" O'Riordan (born 4 January 1965) is a Nigerian-born British musician of Irish and Scottish descent. She played bass guitar for the Irish punk/folk band the Pogues from 1983 to 1986. She later played with Elvis Costello (her husband from 1986 to 2002) as well as several other projects. She goes by the name Rocky O'Riordan on social media and for her Sirius-XM radio show, "The Rocky O'Riordan Show".