This is a list of singles which have reached number one on the Irish Singles Chart in 1975.

Issue date Song ArtistRef. 2 January "Lonely This Christmas" Mud 9 January 16 January "Streets Of London" Ralph McTell 23 January 30 January "Ms Grace" The Tymes 6 February "January" Pilot 13 February 20 February 27 February 6 March "Make Me Smile (Come Up and See Me)" Steve Harley & Cockney Rebel 13 March 20 March "If" Telly Savalas 27 March "Bye Bye Baby" Bay City Rollers 3 April 10 April 17 April 24 April "Love Is All" Red Hurley 1 May 8 May "Oh Boy" Mud 15 May 22 May 29 May "Stand by Your Man" Tammy Wynette 5 June 12 June 19 June "Three Steps To Heaven" Showaddywaddy 26 June "The Proud One" The Osmonds 3 July "I'm Not in Love" 10cc 10 July 17 July "Tears on My Pillow" Johnny Nash 24 July 31 July "Give a Little Love" Bay City Rollers 7 August 14 August "Barbados" Typically Tropical 21 August 28 August "Can't Give You Anything (But My Love)" The Stylistics 4 September 11 September 18 September 25 September "Sailing" Rod Stewart 2 October "Moonlighting"Leo Sayer 9 October "Hold Me Close" David Essex 16 October 23 October "Rhinestone Cowboy" Glen Campbell 30 October 6 November 13 November 20 November 27 November 4 December "The Combine Harvester" Brendan Grace 11 December "Imagine" John Lennon 18 December "Bohemian Rhapsody" Queen 25 December

See also 1975 in music Irish Singles Chart List of artists who reached number one in Ireland

References