This is a list of events in British radio during 1974.

• No events.

• 19 February – BRMB begins broadcasting to the Birmingham area. ^{[1] [2]}

• 17 March – Solid Gold Sixty is broadcast on BBC Radio 1 for the final time. It is replaced the following week by a one-hour programme which just features the top 20.

• 1 April – BBC Radio Teesside is renamed BBC Radio Cleveland.
• 2 April – Piccadilly Radio begins broadcasting to the Manchester area. ^[1]

• No events.

• No events.

• 15 July – Metro Radio begins broadcasting to the Newcastle upon Tyne area. ^[1]

• 30/31 August – Radio North Sea International ceases broadcasting to the UK at midnight. ^[3]

• American-born music presenter Paul Gambaccini first broadcasts on British radio, initially on BBC Radio 1.
• 30 September – Swansea Sound, the first Independent Local Radio station in Wales, begins broadcasting to the Swansea area. ^[1]

• 1 October – Radio Hallam begins broadcasting to the Sheffield area. ^[1]
• 21 October – Radio City begins broadcasting to the Liverpool area. ^[1]

• 22 November – The first regular programme in the UK for the black community, Black Londoners, launches on BBC Radio London, presented by Alex Pascall. ^[4] The programme is initially launched as a trial run of six programmes before becoming a weekly, and from 1978, a weeknight, fixture in the schedules.

• No events.

• BBC Radio Leicester launches a weekly programme for the Asian community. ^[5]

• 19 February – BRMB
• 2 April – Piccadilly Radio
• 15 July – Metro Radio
• 30 September – Swansea Sound
• 1 October – Radio Hallam
• 21 October – Radio City

• 20 April – The Betty Witherspoon Show on BBC Radio 2 (1974) ^[6]
• 22 November – Black Londoners on BBC Radio London (1974–1988) ^[7]

• Sunday Half Hour (1940–2018)
• Desert Island Discs (1942–Present)
• Down Your Way (1946–1992)
• Letter from America (1946–2004)
• Woman's Hour (1946–Present)
• A Book at Bedtime (1949–Present)

• The Archers (1950–Present)
• The Today Programme (1957–Present)
• The Navy Lark (1959–1977)
• Sing Something Simple (1959–2001)
• Your Hundred Best Tunes (1959–2007)

• Farming Today (1960–Present)
• In Touch (1961–Present)
• The Men from the Ministry (1962–1977)
• Petticoat Line (1965–1979)
• The World at One (1965–Present)
• The Official Chart (1967–Present)
• Just a Minute (1967–Present)
• The Living World (1968–Present)
• The Organist Entertains (1969–2018)

• PM (1970–Present)
• Start the Week (1970–Present)
• Week Ending (1970–1998)
• You and Yours (1970–Present)
• I'm Sorry I Haven't a Clue (1972–Present)
• Good Morning Scotland (1973–Present)
• Hello Cheeky (1973–1979)
• Kaleidoscope (1973–1998)
• Newsbeat (1973–Present)

• 15 January – Edith Bowman, Scottish music critic, radio disc jockey and television presenter
• 22 February – Chris Moyles, disc jockey
• 28 March – Scott Mills, disc jockey
• 24 April
  • Jon Holmes, writer, comedian and broadcaster
  • David Vitty (Comedy Dave), radio presenter
• 26 April – Adil Ray, broadcaster and comic actor
• 28 April – Vernon Kay, broadcast presenter
• 21 June – Natasha Desborough, radio presenter
• 24 June – Rob da Bank, disc jockey
• 2 July – Dan Tetsell, comedy writer-performer
• 14 July – David Mitchell, comedy writer-performer
• 24 July – Lisa Francesca Nand, journalist and broadcaster
• 2 August – Phil Williams, radio news presenter
• 6 October – Andy Zaltzman, satirical and cricket broadcaster
• 24 November – Stephen Merchant, comedy writer-performer and radio presenter
• 13 December – Sara Cox, disc jockey
• Ros Atkins, broadcast journalist
• Natalie Haynes, broadcaster, classicist, comedian and writer

• 23 February – Raymond Glendenning, radio sports commentator (born 1907) ^[8]
• 4 May – Ludwig Koch, German-born British natural sound recordist (born 1881)

• 1974 in British music
• 1974 in British television
• 1974 in the United Kingdom
• List of British films of 1974