Paddy Moloney (Irish: Pádraig Ó Maoldomhnaigh; born 1 August 1938) is an Irish musician, composer, and producer who is the founder and leader of the Irish musical group The Chieftains and has played on every one of their albums.

Paddy Moloney was born in Donnycarney, Dublin, Ireland. His mother bought him a tin whistle when he was six and he started to learn the Uilleann pipes at the age of eight.

In addition to the tin whistle and the Uilleann pipes, Paddy Moloney also plays button accordion and bodhrán. In the late 1950s he met Seán Ó Riada and joined his group Ceoltóirí Chualann in the early 1960s. Along with Sean Potts and Michael Tubridy, Paddy Moloney formed the traditional Irish band The Chieftains in Dublin in November 1962. As the band leader, he is the primary composer and arranger of much of the Chieftains’ music, and has composed for films including Treasure Island, The Grey Fox, Braveheart, Gangs of New York, and Kubrick’s Barry Lyndon.