Daniel Cassidy (born 15 September 1945) is an Irish former Fianna Fáil politician who served as Leader of the Seanad from 2007 to 2011. He served as a Senator for the Labour Panel from 1982 to 2002 and 2007 to 2011 and a Teachta Dála (TD) for the Westmeath constituency from 2002 to 2007.^[1]

Cassidy was born in Castlepollard in County Westmeath. He came to prominence in Ireland through the show band scene. A saxophone player with Jim Tobin and the Firehouse, he moved into showbusiness management. He was the manager of Foster and Allen, a popular singing duo that enjoyed success inside and outside Ireland.

He first held political office in 1982 when he was elected as a Fianna Fáil Senator for the Labour Panel. He was a member of Westmeath County Council from 1985 until 2003 at which point he resigned from the council due to the abolition of the dual mandate.

Cassidy was elected to Dáil Éireann for the Westmeath constituency at the 2002 general election, taking the seat of sitting TD and Government Minister Mary O'Rourke.^[2] This created a rift between the two politicians and Cassidy lost his seat to O'Rourke at the 2007 general election when both candidates contested the Longford–Westmeath constituency. The fact that Cassidy lost most of his home base of Castlepollard and north Westmeath due to the redrawing of the constituency did not help him. On 22 June 2007, Cassidy was nominated by the Taoiseach Bertie Ahern to Seanad Éireann and was appointed Leader of the Seanad for the remaining weeks of the 22nd Seanad's existence. Cassidy was subsequently elected to the Labour Panel at the 2007 Seanad general election and was Leader of the Seanad until March 2011. He lost his seat at the 2011 Seanad election.

This section of a biography of a living person does not include any references or sources. (March 2020)

Cassidy owns four hotels, including one on the former site of the National Wax Museum as well as The Belvedere Hotel on Great Denmark Street.^[7] He also owns Celtic Note, a specialist Irish music store on Dublin's Nassau Street and since 1984 has had the franchise to sell CDs and DVDs at Dublin Airport. He also owns several buildings in Mullingar. His other interests include record and music publishing companies. He owns the publishing rights to many well known songs such as 'Grace' and 'My Lovely Rose of Clare'.